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Worksheets

Heart Facts

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Which mammal has the largest heart?

a)

whale

b)

human

c)

cheetah

d)

elephant

2.

How many chambers does the heart have?

a)

Three

b)

Four

c)

Five

d)

Six

3.

Name the organ that is a muscle that pumps blood throughout the Circulatory System

a)

The heart

b)

The lungs

c)

The liver

d)

The brain

4.

The Circulatory System is also called:

a)

Pumping System

b)

Blood System

c)

Cardiovascular System

d)

Life Support System

5.

Which of the following blood vessels carry blood in the circulatory system back to the heart from the rest of the body?

a)

Artery

b)

Venule

c)

Capillary

d)

Veins

6.

Which organ do Cardiologists focus on?

a)

Heart

b)

Brain

c)

Lungs

d)

Skin

7.

Which organ does pump blood in all the body?

a)

liver

b)

brain

c)

heart

d)

stomach

8.

Which part of the heart is responsible for pumping oxygenated blood to the body?

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

9.

What is the average resting heart rate for a healthy adult?

a)

40-60 beats per minute

b)

60-100 beats per minute

c)

100-120 beats per minute

d)

120-140 beats per minute

10.

Which blood vessels carry blood away from the heart?

a)

Veins

b)

Arteries

c)

Capillaries

d)

Lymphatics

11.

What is the primary function of the heart valves?

a)

To pump blood

b)

To prevent backflow of blood

c)

To oxygenate blood

d)

To filter blood

12.

Which component of the blood is primarily responsible for clotting?

a)

Red blood cells

b)

White blood cells

c)

Platelets

d)

Plasma

13.

What is the term for the heart's natural pacemaker?

a)

AV node

b)

SA node

c)

Bundle of His

d)

Purkinje fibers

14.

During which phase of the cardiac cycle does the heart fill with blood?

a)

Systole

b)

Diastole

c)

Isovolumetric contraction

d)

Isovolumetric relaxation

15.

Which of the following is a common method for measuring heart function?

a)

Electroencephalogram (EEG)

b)

Electrocardiogram (ECG)

c)

Magnetic Resonance Imaging (MRI)

d)

X-ray