Quiz about Function of the Circulatory System

Question 1

What is the function of the circulatory system?

Accepted Answer

To transport nutrients, oxygen, and hormones to body cells and wastes away from body cells.

Answer

To digest food and absorb nutrients.

Answer

To protect the body from infections.

Answer

To control body temperature.

Question 2

What type of tissue is blood?

Accepted Answer

Connective

Answer

Epithelial

Answer

Muscle

Answer

Nervous

Question 3

What is the liquid part of blood called?

Accepted Answer

Plasma

Answer

Platelets

Answer

Red blood cells

Answer

White blood cells

Question 4

Tiny pieces of cells that clump together to form a blood ______ when an injury occurs.

Accepted Answer

clot

Answer

cell

Answer

vessel

Answer

tissue

Question 5

Red Blood Cells (RBCs) are the most common blood cells and are disc-shaped. They contain hemoglobin to carry _______.

Accepted Answer

oxygen

Answer

carbon dioxide

Answer

nutrients

Answer

hormones

Question 6

What is the main function of arteries?

Accepted Answer

Carry blood away from the heart

Answer

Carry blood to the heart

Answer

Connect arteries and veins

Answer

Site of nutrient exchange.

Question 7

Which major artery is responsible for carrying blood away from the heart?

Accepted Answer

Aorta

Answer

Pulmonary artery

Answer

Carotid artery

Answer

Femoral artery

Question 8

What is the function of capillaries?

Accepted Answer

Connect arteries and veins

Answer

Carry blood to the heart

Answer

Carry blood away from the heart

Answer

Prevent backward flow of blood

Question 9

What does the nasal cavity contain that helps clean the air?

Accepted Answer

Mucus

Answer

Blood

Answer

Saliva

Answer

Tears

Question 10

What additional function does the nasal cavity perform as air enters the body?

Accepted Answer

Humidifies the air

Answer

Cools the air

Answer

Filters out oxygen

Answer

Adds carbon dioxide

Question 11

What is the pharynx also known as?

Accepted Answer

Throat

Answer

Stomach

Answer

Heart

Answer

Brain

Question 12

The pharynx connects the oral and _______ cavities.

Accepted Answer

nasal

Answer

oral

Answer

cranial

Answer

thoracic

Question 13

What is the function of the epiglottis?

Accepted Answer

To block off the respiratory system when you swallow

Answer

To help in digestion

Answer

To produce sound

Answer

To filter air

Question 14

The larynx is also known as the ________.

Accepted Answer

voice box

Answer

windpipe

Answer

esophagus

Answer

trachea

Question 15

What is the trachea also known as?

Accepted Answer

Windpipe

Answer

Bronchi

Answer

Larynx

Answer

Pharynx

Question 16

What helps ensure the trachea stays open?

Accepted Answer

Cartilage rings

Answer

Muscle fibers

Answer

Blood vessels

Answer

Nerve endings

Question 17

The bronchi are the main tubes that branch off from the trachea into each ______.

Accepted Answer

lung

Answer

heart

Answer

stomach

Answer

kidney

Question 18

Why are alveoli very thin?

Accepted Answer

To facilitate gas exchange

Answer

To support lung structure

Answer

To prevent infections

Answer

To store oxygen

Question 19

Alveoli are covered in capillaries so that gases can be exchanged between the ______ and the lungs.

Accepted Answer

blood

Answer

muscles

Answer

bones

Answer

skin

Question 20

What makes the lungs very light and spongy?

Accepted Answer

The presence of air

Answer

The presence of water

Answer

The presence of blood

Answer

The presence of muscles

Question 21

Where is the diaphragm located in relation to the lungs?

Accepted Answer

The diaphragm is located below the lungs, separating the thoracic cavity from the abdominal cavity.

Answer

The diaphragm is located above the lungs, within the thoracic cavity.

Answer

The diaphragm is located to the side of the lungs, adjacent to the rib cage.

Answer

The diaphragm is located within the lungs, as part of the respiratory system.

Question 22

What happens to the diaphragm when you inhale?

Accepted Answer

The diaphragm contracts and moves downward.

Answer

The diaphragm relaxes and moves upward.

Answer

The diaphragm remains stationary.

Answer

The diaphragm contracts and moves upward.

Question 23

The function of the Nose/Nasal Cavity in the respiratory system is to:

Accepted Answer

filter and humidify the air we breathe

Answer

pump blood throughout the body

Answer

digest food

Answer

produce hormones

Question 24

The function of the Mouth in the respiratory system is to:

Accepted Answer

moisten and warm the air before it enters the lungs

Answer

filter air before it enters the lungs

Answer

exchange oxygen and carbon dioxide

Answer

produce sound

Question 25

The function of the Larynx (vocal cords) in the respiratory system is:

Accepted Answer

to produce sound and protect the trachea against food aspiration

Answer

to filter air before it reaches the lungs

Answer

to exchange oxygen and carbon dioxide

Answer

to humidify and warm the air

Question 26

The function of the Lungs in the respiratory system is to:

Accepted Answer

exchange oxygen and carbon dioxide

Answer

pump blood throughout the body

Answer

digest food

Answer

filter waste from the blood

Function of the Circulatory System

27 questions

What is the function of the circulatory system?

What type of tissue is blood?

What is the liquid part of blood called?

Tiny pieces of cells that clump together to form a blood ______ when an injury occurs.

Red Blood Cells (RBCs) are the most common blood cells and are disc-shaped. They contain hemoglobin to carry _______.

What is the main function of arteries?

Which major artery is responsible for carrying blood away from the heart?

What is the function of capillaries?

What is the primary function of the respiratory system?

What does the nasal cavity contain that helps clean the air?

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