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Heart structure and blood flow

Total questions: 33

Worksheet time: 21mins

Name
Class
Date
1.

Blood carries ..... from your lungs to your body cells/tissues.

a)

carbon dioxide

b)

oxygen

c)

water

d)

urea

2.

Which of the chambers are the receiving chambers?

a)

Ventricles

b)

Atrium

c)

Valves

d)

Vessels

3.

Why is the left ventricle bigger than the right ventricle?

a)

It has to pump to the arms

b)

It has to pump to the head

c)

It has to pump to the legs and feet

d)

It has to pump to the lungs

4.

The left ventricle pumps what type of blood and to where

a)

Oxygenated to the lungs

b)

Deoxygenated to the lungs

c)

Oxygenated to the body

d)

Deoxygenated to the lungs

5.

The pulmonary artery carries what type of blood to where?

a)

Deoxygenated blood to the lungs

b)

Deoxygenated blood to the heart

c)

Oxygenated blood to the lungs

d)

Oxygenated blood to the heart

6.

The role of the valves are to

a)

Prevent back flow of blood

b)

Pump blood out of the heart

c)

To make sure blood flows in one direction

d)

Supply the lungs with blood

7.

The Aortic valve ensures oxygenated blood travels through the

a)

Vena cava

b)

Pulmonary vein

c)

Pulmonary Artery

d)

Aorta

8.

The Pulmonary valve ensures blood continues to travel through the

a)

Aorta

b)

Pulmonary vein

c)

Pulmonary Artery

d)

Vena cava

9.

The Aorta carries what type of blood and to where?

a)

Oxygenated to the working muscles

b)

Deoxygenated to the working muscles

c)

Oxygenated to the lungs

d)

Oxygenated to the heart

10.

The vena cava has two sections to it, what are they called?

a)

Anterior and superior

b)

Dorsal and Distal

c)

Lateral and Medial

d)

Superior and Inferior

11.

The wall that splits the heart down the middle is called the?

a)

Septum

b)

SA node

c)

AV node

d)

Separator

12.

The right atrium receives what type of blood from where

a)

Deoxygenated blood from the lungs

b)

Deoxygenated blood from the heart

c)

Oxygenated blood from the body

d)

Deoxygenated blood from the vena cave from the body

13.

The pulmonary vein carries what type of blood back to what chamber?

a)

Oxygenated blood back to the left atrium

b)

Deoxygenated blood back to the left atrium

c)

Oxygenated blood back to the right atrium

d)

Deoxygenated blood back to the right atrium

14.

The superior vena cava transports what type of blood from where?

a)

Deoxygenated blood from the lower part of the body

b)

Deoxygenated blood from the upper part of the body

c)

Oxygenated blood from the upper part of the body

d)

Oxygenated blood from the lower part of the body

15.

The inferior vena cava transports what type of blood from where?

a)

Oxygenated blood from the upper part of the body

b)

Oxygenated blood from the lower part of the body

c)

Deoxygenated blood from the upper part of the body

d)

Deoxygenated blood from the lower part of the body

16.

The blood enters on the left side of the heart through the ______________ and enters the left atrium. It then passes through the _____________to enter the left ventricle.*

a)

pulmonary artery, mitral valve

b)

pulmonary vein, tricuspid valve

c)

pulmonary artery, aortic valve

d)

. pulmonary vein, bicuspid valve

17.

What is the function of structure labelled 5?

a)

carry deoxygenated blood to the lungs

b)

carry oxygenated blood to all parts of the body

c)

carry deoxygenated blood from all parts of the body to the heart

d)

carry oxygenated blood from the lungs

18.

What is the structure labelled 6?

a)

Pulmonary artery

b)

Pulmonary vein

c)

Vena cava

d)

Aorta

19.

Which chamber of the heart has the thickest wall?

a)

Right atrium

b)

Left atrium

c)

Right ventricle

d)

Left ventricle

20.

How many valve(s) found in the heart?

a)

1

b)

2

c)

3

d)

4

21.

Which structure of the heart prevents the mixing of oxygen-rich blood and oxygen-poor blood?

a)

Aorta

b)

Atrium

c)

Valve

d)

Septum

22.

What organ does the blood flow to in order to pick up oxygen?

a)

Liver

b)

Stomach

c)

Brain

d)

Lung

23.
Which number is the vena cava?
a)
1
b)
2
c)
3
d)
8
24.
Which number is the pulmonary artery?
a)
4
b)
5
c)
6
d)
8
25.
What does letter D represent?
a)
aorta
b)
left atrium
c)
left ventricle
d)
right atrium
26.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
27.
Blood leaves the right ventricle through the ___________.
a)
pulmonary artery
b)
aorta
c)
superior vena cava
d)
right atrium
28.
What does letter B represent?
a)
aorta
b)
superior vena cava
c)
inferior vena cava
d)
right pulmonary artery
29.

Which is the correct flow of blood?

a)

R. atrium --> R. Ventricle --> pulmonary artery

b)

R. atrium --> L. atrium --> aorta

c)

L. ventricle --> pulmonary artery --> aorta

d)

L. ventricle --> L. atrium --> aorta

30.

In the walls of the heart, there are two thin layers around a thick layer of muscle called the

a)

epithelial tissue.

b)

pericardium.

c)

connective tissue.

d)

myocardium.

31.
The pointed, inferior portion of the heart, known as the ________ rests on the diaphragm and is oriented towards the left hip.
a)
base
b)
mediastinum
c)
apex
d)
pericardium
32.

The heart layer that keeps blood from sticking to the inside of the heart made up of squamous epithelial cells

a)

endocardium

b)

pericardium

c)

myocardium

d)

epicardium

33.
Which layer of the heart contains a lubricating fluid that reduces friction as the heart beats?
a)
Pericardium
b)
Endocardium
c)
Myocardium