circulatory system parts with definition

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 muscular organ that pumps blood.

Answer 2

True

Question 3

Fill in the blank: The two upper chambers of the heart are called the _____ and the _____ .

Answer 3

atria, auricles

Question 4

What are the lower chambers of the heart called?

Answer 4

Ventricles

Question 5

Which blood vessels carry oxygenated blood away from the heart?

Answer 5

Arteries

Question 6

What is the role of veins in the circulatory system?

Answer 6

To carry deoxygenated blood back to the heart.

Question 7

True or False: Capillaries are the smallest blood vessels in the body.

Answer 7

True

Question 8

What do capillaries connect?

Answer 8

Arteries and veins

Question 9

Which part of the heart receives deoxygenated blood from the body?

Answer 9

Right atrium

Question 10

What is the function of the left ventricle?

Answer 10

To pump oxygenated blood into the aorta.

Question 11

Multiple choice: What is the largest artery in the body? A) Pulmonary artery B) Aorta C) Carotid artery

Answer 11

B) Aorta

Question 12

True or False: The pulmonary veins carry oxygenated blood to the lungs.

Answer 12

False

Question 13

What is the primary function of red blood cells?

Answer 13

To transport oxygen throughout the body.

Question 14

Fill in the blank: The _____ is responsible for regulating blood flow and pressure.

Answer 14

heart

Question 15

What component of blood helps in clotting?

Answer 15

Platelets

Question 16

True or False: Arteries have thicker walls than veins.

Answer 16

True

Question 17

What is the function of the septum in the heart?

Answer 17

To separate the left and right sides of the heart.

Question 18

Short answer: What is the term for the network of blood vessels in the body?

Answer 18

Vascular system

Question 19

Which type of blood vessel has valves to prevent backflow?

Answer 19

Veins

Question 20

Fill in the blank: The _____ circulatory system involves the flow of blood between the heart and the lungs.

Answer 20

pulmonary

Question 21

What is the primary function of the aorta?

Answer 21

To distribute oxygenated blood from the heart to the body.

Question 22

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

Answer 22

True

Question 23

What is the role of the vena cava?

Answer 23

To carry deoxygenated blood from the body back to the heart.

Question 24

Multiple choice: Which of the following is NOT a component of blood? A) Plasma B) Hemoglobin C) Cartilage

Answer 24

C) Cartilage

Question 25

Short answer: What is the primary gas exchanged in the capillaries?

Answer 25

Oxygen and carbon dioxide

Question 26

What is the function of the coronary arteries?

Answer 26

To supply blood to the heart muscle.

Question 27

Fill in the blank: The _____ system works closely with the circulatory system to transport hormones.

Answer 27

endocrine