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Quiz in Science 9

Total questions: 15

Worksheet time: 6mins

Name
Class
Date
1.

The lungs bring ______ into the body, and eliminates _____ from the body.

a)

A. carbon monoxide, oxygen

b)

B. oxygen, carbon dioxide

c)

C. carbon monoxide, carbon dioxide

d)

D.oxygen, carbon monoxide

2.

A system that has a vital organ which is quite literally at the center of everything

a)

Respiratory system

b)

Circulatory system

c)

Endocrine system

d)

Nervous system

3.

What prevents the blood from flowing back?

a)

Arteries

b)

Veins

c)

Tricuspid valve

d)

Aortic valve

4.

What happens to the pressure in your chest cavity when you inhale?

a)

Air pressure remains the same

b)

Air pressure is reduced

c)

Air pressure is increased

d)

Air pressure changes

5.

Another name for high blood pressure. The causes of this disease includes obesity, diabetes, lack of fruits and vegetables in the diet and high salt intake.

a)

Heart attack

b)

Asthma

c)

Stroke

d)

Hypertension

6.

It is caused by a virus that attacks your throat, nose and lungs. It is a highly contagious disease and can spread directly through air droplets and spread indirectly with objects contaminated with virus.

a)

Cystic Fibrosis

b)

Common Cold

c)

Covid-19

d)

Tuberculosis

7.

Which type of circuit/ circulation is responsible for the movement of blood from the heart to the rest of the body, excluding the lungs?

a)

Pulmonary Circulation

b)

Coronary Circulation

c)

Systemic Circulation

d)

Both a and c

8.

All of the following are true about human circulatory system except _____

a)

Heart rate changes in response to our physical activity.

b)

White blood cells help fight microbes that may cause diseases

c)

Veins have thinner walls than arteries

d)

The atria pump blood out of the heart.

9.

A genetic respiratory disease caused by a defective gene that creates thick and sticky mucus that clogs up tubes and passageways.

a)

Influenza

b)

Atherosclerosis

c)

Cystic Fibrosis

d)

Pneumonia

10.

Which structures of the heart receive blood from the lower and upper parts of the body?

a)

Arteries

b)

Veins

c)

Atria

d)

Ventricles

11.

Which of the following structures is NOT part of the respiratory system?

a)

Alveoli

b)

Bronchus

c)

Heart

d)

Trachea

12.

How do the circulatory and respiratory systems work together to circulate blood and oxygen throughout the body?

a)

Air moves in and out of the lungs through the trachea , bronchi, and bronchioles.

b)

Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.

c)

Both a and b.

d)

Neither a nor b

13.

What are the two primary types of blood vessels in the circulatory system of the body?

a)

Arteries and Capillaries

b)

Veins and Capillaries

c)

Only veins

d)

Arteries and veins

14.

Which organ constitutes the junction of the digestive and respiratory tracts?

a)

The pharynx

b)

The larynx

c)

The trachea

d)

The nasal cavity

15.

Which of the following is the function of the respiratory system?

a)

absorption of nutrients

b)

transport of oxygen

c)

gas exchange

d)

skeletal support