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Activity 1.3 Circulatory System

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

Which of the following is NOT a part of the circulatory system?

a)

lymphatic vessels

b)

heart

c)

lungs

2.

In which chamber of the heart does oxygenated blood enter?

a)

right ventricle

b)

right atrium

c)

left atrium

3.

Which valve separates the left atrium and ventricle?

a)

Tricuspid valve

b)

Bicuspid valve

c)

Aortic valve

4.

Which of these blood vessels move blood towards the heart?

a)

vein

b)

capillary

c)

artery

5.

Which component of the circulatory system transport nutrients, gases, hormones, and other metabolic wastes to the cells of the body?

a)

Heart

b)

Blood Vessels

c)

Blood

6.

Which of these lymphatic organs train T-cells?

a)

Thyroid gland

b)

Tonsils

c)

Thymus gland

7.

Which of the following makes up 55% of the blood?

a)

Blood Platelets

b)

Erythrocytes

c)

Blood Plasma

8.

Which of the following chambers of the heart release deoxygenated blood from the heart?

a)

Right ventricle

b)

Left ventricle

c)

Right atrium

9.

Which of the following is an artery?

a)

Superior Vena Cava

b)

Aorta

c)

Pulmonary vein

10.

Which of the following part of the heart prevents the backward flow of blood?

a)

atrium

b)

ventricle

c)

valve

11.

Which of the following can be found inside lymph nodes?

a)

lymphocytes

b)

erythrocytes

c)

thrombocytes

12.

Which of the following components of the blood transports oxygen and carbon dioxide to the cells of the body?

a)

blood platelets

b)

white blood cells

c)

red blood cells

13.

Which of the statements correctly explain why red blood cells do not have nucleus?

a)

So that it does not use oxygen for cellular respiration.

b)

So that it can have more space to store oxygen.

c)

So that it can pass through the blood vessels which have different sizes.

14.

Which of the following organs produce the cellular components of the blood?

a)

Kidney

b)

Heart

c)

Bone Marrow

15.

What do we call the leaked liquid from the capillary that is picked up by the lymphatic system?

a)

lymph

b)

blood

c)

lymphocytes

16.

Which component of the blood protects the body against pathogens?

a)

erythrocytes

b)

thrombocytes

c)

leukocytes

17.

Which part of the circulatory system carries blood throughout the body?

a)

Heart

b)

Blood Vessels

c)

Blood

18.

Which of the following filters the liquid that passes through the lymphatic vessels?

a)

nasal cavity

b)

lymph nodes

c)

valve

19.

Which type of blood vessel connects the vein and artery?

a)

lymphatic vessel

b)

capillary

c)

lymph node

20.

Arteries have _____ walls to sustain the sudden bursts of blood from the heart.

a)

thick

b)

thin

c)

small

21.

Which correctly describe white blood cells?

a)

no nucleus, irregularly shaped, more than red blood cells

b)

has nucleus, smaller than red blood cells, colorless

c)

has nucleus, fewer than red blood cells, larger than red blood cells

22.

Which cellular component of the blood helps blood to clot?

a)

leukocytes

b)

thrombocytes

c)

erythrocytes

23.

Which of the following are the valves that can be found inside the heart?

a)

Tricuspid, Pulmonary, Bicuspid, Respiratory

b)

Butterfly, Bicuspid, Pulmonary, Aortic

c)

Tricuspid, Pulmonary, Bicuspid, Aortic

24.

Which chamber of the heart releases oxygenated blood?

a)

Left ventricle

b)

Right atrium

c)

Right ventricle

25.

Which of the following is not a function of the blood?

a)

Stabilize body temperature

b)

Protect body against pathogens

c)

Return lymph to the bloodstream