Cirkulationssystem

Question 1

What is the main function of the circulatory system?

Answer 1

The main function of the circulatory system is to transport nutrients, oxygen, and waste products throughout the body.

Question 2

True or False: The heart is the main organ of the circulatory system.

Answer 2

True

Question 3

What are the three main components of the circulatory system?

Answer 3

The heart, blood vessels, and blood.

Question 4

What is the name of the process where blood is pumped from the heart to the rest of the body and back to the heart?

Answer 4

Circulation

Question 5

What type of blood vessel carries blood away from the heart?

Answer 5

Arteries

Question 6

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

Answer 6

Veins

Question 7

What is the name of the smallest blood vessels where oxygen and nutrients are exchanged with body tissues?

Answer 7

Capillaries

Question 8

What is the name of the process where blood is oxygenated in the lungs?

Answer 8

Pulmonary circulation

Question 9

What is the name of the process where oxygenated blood is distributed throughout the body?

Answer 9

Systemic circulation

Question 10

What is the name of the fluid that carries nutrients, oxygen, and waste products in the circulatory system?

Answer 10

Blood

Question 11

What is the average adult human heart rate at rest?

Answer 11

60-100 beats per minute

Question 12

What is the name of the upper chambers of the heart that receive blood from the body?

Answer 12

Atria

Question 13

What is the name of the lower chambers of the heart that pump blood out to the body?

Answer 13

Ventricles

Question 14

What is the name of the largest artery in the body that carries blood away from the heart?

Answer 14

Aorta

Question 15

What is the term for the force of blood against the walls of the arteries?

Answer 15

Blood pressure

Question 16

What is the name of the protein in red blood cells that carries oxygen?

Answer 16

Hemoglobin

Question 17

What is the name of the process where blood clots to prevent excessive bleeding?

Answer 17

Coagulation

Question 18

What is the name of the valve that prevents the backflow of blood in the heart?

Answer 18

Atrioventricular valve

Question 19

What is the name of the valve that prevents the backflow of blood in the aorta and pulmonary artery?

Answer 19

Semilunar valve

Question 20

What is the name of the network of vessels that returns excess fluid from body tissues back to the circulatory system?

Answer 20

Lymphatic system

Question 21

What is the name of the liquid portion of blood that contains water, salts, and proteins?

Answer 21

Plasma

Question 22

What is the name of the condition where there is a blockage in the coronary arteries, leading to reduced blood flow to the heart?

Answer 22

Coronary artery disease

Question 23

What is the term for the volume of blood pumped by the heart per minute?

Answer 23

Cardiac output

Question 24

What is the name of the hormone that regulates blood pressure and fluid balance in the body?

Answer 24

Aldosterone

Question 25

What is the name of the hormone that increases heart rate and blood pressure in response to stress?

Answer 25

Epinephrine