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Worksheets

Cardiovascular System

Total questions: 18

Worksheet time: 18mins

Name
Class
Date
1.

The relaxing of the heart is known as

a)

Diastole

b)

Systole

c)

Heart Rate

d)

Cardiac Arrest

2.

The contraction of the heart is known as?

a)

Stroke volume

b)

Diastole

c)

Cardiac cycle

d)

Systole

3.

Which of the following is a Blood vessel?

a)

Ventricles

b)

Heart

c)

Arteries

d)

Septum

4.
Which part of the heart is this?
a)
Aorta
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
5.
The volume of blood ejected each time a Ventricle contracts is known as?
a)
Heart Rate
b)
Stroke Volume
c)
Cardiac Output
6.
The Vagus nerve stimulates the SA Node to speed up the heart beat - True or False
a)
TRUE
b)
FALSE
7.
The Sympathetic Nervous system is part of the Autonomic Nervous System and does what?
a)
Increases HR during exercise
b)
Decreases HR during recovery
8.

When blood leaves this chamber of the heart, it heads to the lungs

a)

right atrium

b)

right ventricle

c)

left atrium

d)

left ventricle

9.

This chamber of the heart receives oxygenated blood from the lungs

a)

right atrium

b)

right ventricle

c)

left atrium

d)

left ventricle

10.

These are the smallest blood vessels with the thinnest walls in order to maximize diffusion of nutrients in and out of the interstitial fluid

a)

arteries

b)

veins

c)

capillaries

d)

aorta

11.

Which best explains why capillary walls are so thin?

a)

because they do not need to pump blood

b)

because they are found only in the smallest organs and tissues

c)

because they maximize diffusion of nutrients

d)

because blood only travels through them slowly

12.

These carry blood towards the heart

a)

arteries

b)

veins

13.

These carry blood away from the heart

a)

Arteries

b)

Veins

14.

Which of the following is FALSE about pacemaker cells?

a)

They allow the heart to beat on its own

b)

They create their own electrical impulses

c)

They are part of the sinoatrial node and the atrioventricular node

d)

They require depolarizing stimulation from the brain

15.
How many valves does  the heart have ? 
a)
7
b)
4
c)
d)
16.
How many chambers does the heart have ? 
a)
4
b)
6
c)
3
d)
1
17.
Blood enters the right atrium through 
a)
pulmonary veins
b)
vena cavaes
c)
pulmonary arteries
d)
aorta
18.
What creates the "lub dub" heart sounds?
a)
Flow of blood
b)
Closing of valves
c)
Opening of valves
d)
Breathing