Leaving Certificate Biology
Circulatory System 2 EQ iQuiz
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The human circulatory system may
be described as ...
A closed system
An open system
A shut system
A cardiac system
What is the organ that pumps the
blood called?
Lung
Brain
Liver
Heart
What are the vessels that carry
blood away from the heart called?
Capillaries
Arteries
Veins
Lymphatics
Name the vessels that link arteries
to veins.
Valves
Capillaries
Atria
Ventricles
What is the force the blood exerts
against the wall of a blood vessel?
Blood vessels
Blood cells
Blood plasma
Blood pressure
What type of blood vessels contain
valves and do not have pulse?
Capillaries
Veins
Arteries
Lymphatics
The blood circuit that carries blood
to and from the lungs is called the
…
Portal circuit
Systemic circuit
Pulmonary circuit
Renal circuit
What is a blood pathway that
begins and ends with capillaries?
Circulatory system
Portal system
Coronary system
Lymphatic system
The half moon shaped structures
found at the base of the aorta and
pulmonary artery are …
Semi lunar valves
Tricuspid valves
Bicuspid valves
Valves
What is the blood vessel that takes
blood from the intestines to the
liver called?
Hepatic vein
Hepatic artery
Hepatic portal vein
Renal artery
The circuit transporting blood to
and from the general body is called
the …
Pulmonary circuit
Systemic circuit
Hepatic circuit
Renal circuit
In which chamber of the heart is
the (SA node) or pacemaker
located?
Right ventricle
Left ventricle
Left atrium
Right atrium
Which chamber of the heart has
the greatest amount of muscle in
its wall?
Right ventricle
Left ventricle
Right atrium
Left atrium
Which of these chemicals, that are
present in cigarette smoke, prevents
the blood from transporting oxygen?
Carbon dioxide
Benzene
Carbon monoxide
Tar
Which of these blood vessels
contains the least amount of urea?
Renal artery
Renal vein
Hepatic vein
Hepatic artery
Circulatory System 2 EQ iQuiz
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