3.2.3.H Blood Cells
3.2.4.H Heartbeat Control
Follow-Me – iQuiz
Q. True or False. A nucleus is absent from human red blood cells.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. State two ways in which red blood cells differ from typical
body cells e.g. from the cheek lining.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Name a group of white blood cells, other than lymphocytes.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. State a precise location in the human body at which red blood
cells are made.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Cardiac muscle may be described as a contractile tissue.
Explain the meaning of the underlined term.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. True or False. The sino-atrial node (pacemaker) is located on
the right side of the heart.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. What is the role of the SA (sinoatrial) and AV (atrioventricular)
nodes in the heart?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Give any two functions of the lymphatic system.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Mention two ways to maintain a healthy heart.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Name the blood vessels that supply the heart cells with blood.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. What causes the sound of a heartbeat?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Name the structure in the heart that controls the heartbeat.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Some people may have the blood group B Positive (B+).What
factor is present in their blood that makes it positive?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. Where in the body are white blood cells produced?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Blood is made up of plasma and blood cells. What is plasma?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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Q. Where is the pacemaker located in the heart?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. What is the function of white blood cells?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. Give the precise location of the SA node in the heart.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. What is the role of valves in the heart?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. Name the blood vessel that brings blood from the heart to the
body.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. Give two factors which cause an increase in heart rate.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. Give the precise locations of the AV node in the heart.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. What structure(s) protects the heart?
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
CONGRATULATIONS
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for the Next Question
Q. Name the valve between the upper and lower chambers on
the left-hand side.
Aorta
FALSE
Bicuspid (mitral) valve
Fight disease
Bone marrow
In septum; Near tricuspid valve;
Between atrium and ventricle
Can shorten
Causes contraction of heart
muscle; Impulse generation;
Pacemaker
Coronary or Cardiac
arteries
Eat less fat; Exercise regularly;
Avoid excess stress; Eat less
salt; Don’t smoke
Exercise; Anxiety; Drugs;
Infection
Phagocytic (white cells);
Monocytes
Prevent backflow of
blood
Returns fluid to blood;
Transport; Lymphocytes
(Immunity)
Rhesus
Liquid part of blood
Rib cage
Marrow of long bones
No nucleus; Haemoglobin;
Shape; Size; No mitochondria;
Carries O2 or CO2
Right atrium wall
TRUE
Pacemaker
Valves closing
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