Circulatory System

Question 1

What is the primary function of the circulatory system?

Answer 1

To transport blood, nutrients, gases, and waste products throughout the body.

Question 2

True or False: The heart is a muscle that pumps blood.

Answer 2

True

Question 3

Fill in the blank: The ______ carries oxygen-rich blood away from the heart.

Answer 3

arteries

Question 4

What type of blood vessel carries blood back to the heart?

Answer 4

Veins

Question 5

Which organ is responsible for pumping blood?

Answer 5

The heart

Question 6

Multiple Choice: Which of the following is NOT part of the circulatory system? A) Heart B) Lungs C) Veins D) Brain

Answer 6

D) Brain

Question 7

What is the name of the fluid that circulates in the circulatory system?

Answer 7

Blood

Question 8

True or False: Capillaries are the smallest blood vessels.

Answer 8

True

Question 9

What is the role of red blood cells?

Answer 9

To carry oxygen from the lungs to the body and carbon dioxide from the body to the lungs.

Question 10

Fill in the blank: The ______ is the largest artery in the body.

Answer 10

aorta

Question 11

What are the two main circulatory pathways in the body?

Answer 11

Systemic circulation and pulmonary circulation.

Question 12

Multiple Choice: Which blood cells are primarily involved in the immune response? A) Red blood cells B) White blood cells C) Platelets D) Plasma

Answer 12

B) White blood cells

Question 13

What is the role of platelets in the circulatory system?

Answer 13

To help with blood clotting.

Question 14

True or False: The circulatory system is also known as the cardiovascular system.

Answer 14

True

Question 15

What is the function of the valves in the heart?

Answer 15

To prevent backflow of blood.

Question 16

Fill in the blank: The right side of the heart pumps blood to the ______.

Answer 16

lungs

Question 17

What is the primary gas exchanged in the lungs?

Answer 17

Oxygen and carbon dioxide.

Question 18

Multiple Choice: Which part of the heart receives deoxygenated blood? A) Left atrium B) Right atrium C) Right ventricle D) Both B and C

Answer 18

D) Both B and C

Question 19

True or False: Blood pressure is the force exerted by circulating blood on the walls of blood vessels.

Answer 19

True

Question 20

What is the term for the rhythmic contraction and relaxation of the heart?

Answer 20

Heartbeat

Question 21

Fill in the blank: The ______ system helps regulate blood pressure.

Answer 21

nervous

Question 22

What is the function of plasma in the blood?

Answer 22

To transport nutrients, hormones, and waste products.

Question 23

Multiple Choice: Which heart chamber pumps oxygenated blood to the body? A) Right atrium B) Left atrium C) Right ventricle D) Left ventricle

Answer 23

D) Left ventricle

Question 24

True or False: The circulatory system only works when a person is awake.

Answer 24

False

Question 25

What is the role of the pulmonary veins?

Answer 25

To carry oxygenated blood from the lungs to the heart.

Question 26

Fill in the blank: The ______ is the part of the circulatory system that carries blood to and from the lungs.

Answer 26

pulmonary circuit