Circulatory systmem

Question 1

What is the function of circulating blood?

Answer 1

Circulate blood to the body.

Question 2

What is the function of transporting nutrients?

Answer 2

Transport oxygen, water, and nutrients to cells in the blood.

Question 3

What is the function of transporting waste?

Answer 3

Transport CO₂ and wastes away from the cells.

Question 4

What is the function of maintaining temperature?

Answer 4

Maintains body temperature.

Question 5

What is the function of fighting infections?

Answer 5

White blood cells fight infections.

Question 6

What is the heart?

Answer 6

A muscular pump that contracts continuously to drive blood through blood vessels.

Question 7

How many chambers does the heart have?

Answer 7

Four: Left atrium, right atrium, left ventricle, right ventricle.

Question 8

Which side of the heart is oxygenated?

Answer 8

Left side.

Question 9

Which side of the heart is deoxygenated?

Answer 9

Right side.

Question 10

What is the aorta?

Answer 10

The main artery supplying oxygenated blood to the body.

Question 11

What is the function of the pulmonary artery?

Answer 11

Carries deoxygenated blood from the right ventricle to the lungs.

Question 12

What is the function of the pulmonary vein?

Answer 12

Carries oxygenated blood from the lungs to the left atrium.

Question 13

What is the function of the superior vena cava?

Answer 13

Carries deoxygenated blood from the upper body to the right atrium.

Question 14

What is the function of the inferior vena cava?

Answer 14

Carries deoxygenated blood from the lower body to the right atrium.

Question 15

What is the function of the right atrium?

Answer 15

Receives deoxygenated blood from the vena cava and sends it to the right ventricle.

Question 16

What is the function of the left atrium?

Answer 16

Receives oxygenated blood from the pulmonary vein and sends it to the left ventricle.

Question 17

What is the function of the right ventricle?

Answer 17

Pumps deoxygenated blood to the lungs via the pulmonary artery.

Question 18

What is the function of the left ventricle?

Answer 18

Pumps oxygenated blood to the body via the aorta.

Question 19

What is the function of the semilunar valves?

Answer 19

Prevent backflow from the arteries into the ventricles.

Question 20

What is the function of the tricuspid valve?

Answer 20

Prevents backflow between the right atrium and right ventricle.

Question 21

What is the function of the bicuspid valve?

Answer 21

Prevents backflow between the left atrium and left ventricle.

Question 22

What is the function of blood vessels?

Answer 22

Carry blood from the heart to the body and back to the heart.

Question 23

What is the function of arteries?

Answer 23

Carry blood away from the heart and create a pulse.

Question 24

What is the function of veins?

Answer 24

Carry blood toward the heart and prevent backflow.

Question 25

What is the function of capillaries?

Answer 25

Allow oxygen exchange to tissues and remove CO₂.

Question 26

What are the functions of blood

Answer 26

Transport nutrients and waste (CO2), Regulate body temperature (absorb heat), Protection of the body (white blood cells).

Question 27

Structure of blood

Answer 27

55% plasma (watery), 1% WBC (infections), 45% RBC (carry oxy and remove CO2)

Question 28

Pulmonary

Answer 28

Carries oxygenated blood from the heart to the lungs and back again.

Question 29

Syntenic

Answer 29

Carries deoxygenated blood from the heart to all parts of the body.

Question 30

Heart Rate

Answer 30

The number of times the heart beats in 60seconds

Question 31

Stroke volume

Answer 31

The amount of blood pumped around by the heart in 1 beat.

Question 32

Blood pressure

Answer 32

The amount of pressure on the walls of the arteries.

Question 33

Systolic blood pressure

Answer 33

The pressure in the walls of the arteries during contraction.

Question 34

Diastolic Blood pressure

Answer 34

Pressure in the walls of the arteries during relaxation.