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The Circulatory System

Total questions: 25

Worksheet time: 16mins

Name
Class
Date
1.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
2.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
3.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
4.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
5.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
6.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
7.

The aorta is the largest artery in the body that carries blood to the rest of the body. The blood leaving the aorta is full of?

a)

Oxygen

b)

Carbon Dioxide

c)

White blood Cells

d)

Potassium

8.
Thin-walled vessels that allow for the exchange of O2 , CO2, nutrients and wastes between blood cells or air sacs in the lungs
a)
Arteries
b)
Veins
c)
Capillaries
9.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
10.

What is the main function of the artery?

a)

It controls your brain and your thought process.

b)

They carry blood BACK to the heart.

c)

Arteries carry blood AWAY from the heart.

d)

It receives information (senses) and sends messages to the body about how to react to things.

11.
Structure(s) that keep the blood flowing in one direction.
a)
Valve(s)
b)
Septum(s)
c)
Neuron(s)
d)
Bronchiole(s)
12.
arteries, veins, and capillaries are three types of __________
a)
heart valves
b)
blood vessels
c)
cells
d)
veins
13.

The heart is about the size and shape of your . . .

a)

head

b)

fist

c)

foot

14.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

15.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
16.
Carry blood away from heart; mostly oxygen-rich
a)
Arteries
b)
Veins
c)
Capillaries
17.
The bottom chambers of the heart are called
a)
ventricles
b)
atria
c)
vena cava
d)
valves
18.

What are the 4 main chambers of the heart?

a)

right atrium, left atrium, aorta, pulmonary artery

b)

right atrium, left atrium, right ventricle, left ventricle

c)

left atrium, aorta, pulmonary artery, pulmonary vein

d)

right atrium, left atrium, right ventricle, aorta

19.

What is the muscular wall that separates the right and left side of the heart

a)

paricardium

b)

aorta

c)

pulmonary artery

d)

septum

20.

What type of system is the circulatory system?

a)

open, single pump

b)

closed, single pump

c)

open, double pump

d)

closed, double pump

21.

The beating sound of our heart is caused by

a)

the valves opening and closing

b)

the aorta pumping the blood to the rest of the body

c)

the pulmonary arteries pumping blood to the lungs

d)

the pulmonary vein pumping blood to the left atrium

22.

The top chambers of the heart are called

a)

ventricles

b)

atria

c)

vena cava

d)

valves

23.

Blood enters the right atrium from the

a)

right atrium

b)

right ventricla

c)

vena cave

d)

pulmonary vein

24.

Blood is taken to the lungs by the ______________.

a)

aorta

b)

pulmonary vein

c)

pulmonary artery

d)

vena cava

25.

From the lungs, the blood reenters the heart through the ___________________.

a)

aorta

b)

vena cava

c)

pulmonary vein

d)

pulmonary artery