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Worksheets

Circulatory System

Total questions: 49

Worksheet time: 40mins

Name
Class
Date
1.

Returns blood from the arms and head back to the heart.

a)

Inferior Vena Cava

b)

superior Vena Cava

c)

Carotid Artery

2.

Returns blood to the heart from the lower body.

a)

Inferior Vena Cava

b)

superior Vena Cava

c)

Carotid Artery

3.

Carries oxygenated blood from the lungs to the left atrium of the heart.

a)

Pulmonary Vein

b)

Pulmonary Artery

c)

Left Atrium

4.

Right upper chamber of the heart.

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricles

d)

Left Ventricles

5.

The left upper chamber of the heart.

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricles

d)

Left Ventricles

6.

The chamber of the heart that is responsible for pumping low oxygen blood into the lungs.

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

7.

The chamber of the heart responsible for pumping low-oxygen blood to the lungs is the ___.

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

8.

The right ventricle receives low-oxygen blood from the ______________.

a)

Left Ventricle

b)

Right Ventricle

c)

Left Atrium

d)

Right Atrium

9.

Oxygen - rich blood from the lungs enters the _________through the pulmonary vein.

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

10.

red blood are:

a)

leukocytes

b)

erythrocytes

c)

platelets

11.

plasma is composed of

a)

glucose

b)

nutrients

c)

proteins

d)

all are correct

12.

red blood cells are filled with hemoglobin

a)

True

b)

False

13.

Platelets take part in blood coagulation; heals the wound.

a)

False

b)

True

14.

Leucocytes :

a)

red blood cells

b)

platelets

c)

white blood cells

15.

Destroy microbes and dead cells.

a)

leukocytes

b)

erythrocytes

c)

platelets

16.

Make up the circulatory system

a)

blood

b)

heart

c)

veins,arteries and capillaries

d)

all are correct

17.

The job of the circulatory system is:

a)

clean the bood of bacterias.

b)

pump blood to all parts of the body.

c)

Carries oxygen and nutrients through the body

d)

pump blood to all parts of the body.

Carries oxygen and nutrients through the body and removes Carbon Dioxide.

18.

The human heart is in the:

a)

center of the chest

b)

right of the chest

c)

left of the center of the chest

19.

____ pump blood throughout the body, delivering oxygen and nutrients to tissues and organs and removing waste products like carbon dioxide.

a)

heart valves

b)

heart

20.

The blood vessels-capillaries:

a)

carry blood away from the heart to the rest of the human body.

b)

Connect arteries and veins moves out of blood into cells inside capillaries.

21.

The blood vessels-veins:

a)

carry blood back to the heart,

b)

Connect arteries and veins moves out of blood into cells inside capillaries.

22.

The blood vessels-arteries:

a)

carry blood away from the heart to the rest of the human body.

b)

carry blood back to the heart,

c)

Connect arteries and veins moves out of blood into cells inside capillaries.

23.

capillaries:

a)

carry blood away from the heart to the rest of the human body.

b)

push blood through the lungs and the blood vessels.

c)

carry blood back to the heart,

d)

Connect or link arteries and veins.

24.

Oxygen in blood comes from air a person breathes in.

a)

True

b)

False

25.

Oxygen from the air mixes with the blood, the heart pumps the oxygen to the rest of the body.

a)

True

b)

False

26.

_____ in the blood primarily comes from the air when a person breathes in.

a)

oxygen

b)

carbon dioxide

27.

The blood carries the carbon dioxide back to the______ and is pumped back to the ______.

a)

heart, lungs

b)

aorta, lungs

28.

In human body-blood carries :

a)

nutrients to the cells

b)

delivers oxygen

c)

removes carbon dioxide.

d)

All are Correct

29.

red blood cells:

a)

destroy viruses and bacteria to help a person stay healthy.

b)

carry oxygen to all other cells in the body.

30.

white blood cells:

a)

destroy viruses and bacteria to help a person stay healthy.

b)

carry oxygen to all other cells in the body.

31.

platelets blood cells:

a)

destroy viruses and bacteria to help a person stay healthy.

b)

carry oxygen to all other cells in the body.

c)

helps blood clot if a person gets cut. Heals the wound.

32.

The largest artery in the body

a)

cava vein

b)

aorta

c)

pulmonay vein

33.

______transport deoxygenated blood from the body's tissues back to the heart, where it is pumped to the lungs for oxygenation

a)

veins

b)

arteries

34.

Receives low-oxygen blood from the right atrium and pumps it into the _______, which carries it to the lungs for oxygenation.

a)

pulmonary veins

b)

pulmonary artery

35.

Responsible for blood clotting to prevent excessive bleeding when blood vessels are injured:______

a)

Platelets

b)

White blood cell

36.

is the liquid component of blood that transports nutrients (glucose, vitamins, etc) to cells.

a)

Plasma

b)

hemoglobin

37.

Causes stomach infections:

a)

Parasites

b)

bacteria

c)

Parasites

d)

all are correct

38.

Is NOT a common symptom of a stomach infection?

a)

Nausea

b)

Headache

c)

Diarrhea

39.

What part of the body is mainly affected by colitis?

a)

Lungs

b)

Brain

c)

Digestive System

d)

muscles

40.

Which condition can also affect the digestive system besides infections?

a)

asthma

b)

ulcers

c)

diabetes

41.

What builds up inside arteries to cause arteriosclerosis?

a)

water and salt

b)

fat and cholesterol

c)

oxygen and blood

42.

What is arteriosclerosis ?

a)

a bone disease

b)

lung illness

c)

a condition where arteries lose elasticity

d)

stomach infection

43.

Which system of the body is mainly affected by arteriosclerosis?

a)

Digestive System

b)

Nervous System

c)

Circulatory System

d)

Respiratory System

44.

Arteriosclerosis can lead to which serious health problem?

a)

allergies

b)

broken bones

c)

heart attacks

d)

stomach ulcers

45.

Which of the following is a common symptom of a cold?

a)

Sneezing

b)

runny nose

c)

both are correct

46.

What may happen if a respiratory infection reaches the lungs?

a)

Digestion improves

b)

Breathing becomes difficult

c)

bones become weak

47.

Which serious lung condition can develop from a lung infection?

a)

Asthma

b)

Pneumonia

c)

Diabetes

d)

Arthritis

48.

Asthma is best described as which type of illness?

a)

A short-term infection

b)

a bone disorder

c)

Chronic inflammation of the respiratory tract

49.

COVID-19 is caused by which virus?

a)

influenza A

b)

HIV

c)

COVID 19