Learning Intentions
By the end of this topic you will:
 Be able to state the 3 parts that make up the circulatory system
 Be able to explain the function of the circulatory system
 Be able to describe the 4 components that make up blood, what
they look like and what they do
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 Be able to name the 3 types of blood vessel
 Know the differences between the 3 types of blood vessels
 Be able to label the 4 chambers of the heart
 Be able to describe how the blood flows through the heart
 Understand what is meant by oxygenated and deoxygenated blood
 Be able to explain what causes a heart attack
 Be able to calculate heart rate
 Understand the effect that exercise has on heart rate
Year 10 Science
Heart and Circulation
LH 2017
1200
60,000
70
2,000,000
100,000
Quick Quiz
In your group choose which of the numbers from the box above you
think answers each question on the powerpoint.
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1. ___________________________________________
2. ___________________________________________
3. ___________________________________________
4. ___________________________________________
5. ___________________________________________
Circulatory System
The circulatory system is made up of 3
different parts
 The blood
 The blood vessels
 The heart
The function of the circulatory system is to
 ______________ of blood cells, absorbed food molecules,
carbon dioxide as well as other substances
 _________________ against disease.
Year 10 Science
Heart and Circulation
LH 2017
Activity
Use this page to draw a simplified version of the heart. Split it into
chambers and draw in the blood flow using the colours red and blue.
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Year 10 Science
Heart and Circulation
LH 2017
Blood
Fill in the diagram below, with information from the powerpoint,
about different components of the blood.
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Blood
Year 10 Science
Heart and Circulation
LH 2017
Use the information you now have to complete the table below.
Component of blood
Function
Drawing
Red blood cell
5
Fights infection
Platelets
Transports blood and
other substances
Year 10 Science
Heart and Circulation
LH 2017
Blood Vessels
There are 3 main types of blood vessel in the body.
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Write each of the types of blood vessel in order of thickness.
__________________________________________________
What do veins have that arteries and capillaries do not?
___________________________________________________
Year 10 Science
Heart and Circulation
LH 2017
The Heart
Activity
With either one of your arms bend your arm at the elbow; up and
down. Continue this for 2 minutes. How does it feel? What would
happen if your heart was made of the same type of muscle?
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The heart is a muscle but not the same type as in your arms and legs.
It
is
a
special
type
of
muscle
called
_____________
______________. Your heart is the size of your fist and has ____
chambers.
The
chambers
at
the
top
are
called
______________________ and the ones at the bottom are the
___________________. It is also separated down the middle by
the ______________ into the right and left sides. The blood on
the right side pumps blood to the __________ and does not contain
oxygen (________________________ ). The blood on the left
hand side pumps the blood to the ___________ and does contain
oxygen (______________________ ).
Year 10 Science
Heart and Circulation
LH 2017
Label the chambers and then draw arrows on the diagram, to show
the blood flow through the heart.
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Task – Answer the following questions. This could be done by
discussing in a group or using the internet.
Why are valves needed in the heart?
___________________________________________________
___________________________________________________
___________________________________________________
Year 10 Science
Heart and Circulation
LH 2017
Why is the left ventricle thicker than the right ventricle?
___________________________________________________
___________________________________________________
___________________________________________________
What does a double circulation mean?
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___________________________________________________
___________________________________________________
Where would you find the coronary arteries?
___________________________________________________
___________________________________________________
What is haemoglobin?
___________________________________________________
___________________________________________________
What is the deficiency disease called when we lack iron?
___________________________________________________
___________________________________________________
Year 10 Science
Heart and Circulation
LH 2017
Heart disease
Heart disease is caused by ______________________ and other
fatty substances in our diet. When they are in high amounts in the
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blood they build up on the walls of the _______________ and
cause them to be narrow. Eventually the artery may completely
block, preventing blood getting to the ______________
______________. This means the heart muscle cannot receive any
_______________ or ___________________ and so respiration
cannot happen, and they die. This causes the heart to stop. This is a
______________ _________________.
Year 10 Science
Heart and Circulation
LH 2017
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Year 10 Science
Heart and Circulation
LH 2017
Use this page to draw a table for your results when doing the
Measuring Your Pulse activity. You can do any calculations on here
too.
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Year 10 Science
Heart and Circulation
LH 2017