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Biology Wages > Circulation > Flashcards

Circulation Flashcards

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1
Q

This is the largest artery in the body.

A

Aorta

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2
Q

These are the characteristics of dirty blood.

A

Low O2 and high CO2.

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3
Q

This pathway carries blood from the heart to the lungs and back.

A

Pulmonary Circulation

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4
Q

These are the 2 large veins that bring dirty blood to the heart.

A

Superior Vena Cava

Inferior Vena Cava

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5
Q

These structures prevent blood from back-flowing in the heart.

A

Valves

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6
Q

This is the gas exchange that happens in the body cells.

A

Capillaries drop off O2 and pick up cellular waste in the form of CO2.

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7
Q

This long pathway carries blood from the heart to the body and back.

A

Systemic circulation

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8
Q

Most arteries carry this type of blood.

A

Clean

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9
Q

This is the direction arteries carry blood.

A

AWAY from the heart

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10
Q

These are unusual ARTERIES because they carry dirty blood from the heart.

A

Pulmonary arteries

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11
Q

Most veins carry this type of blood.

A

Dirty

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12
Q

This is the direction veins carry blood.

A

TOWARD the heart

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13
Q

These are unusual VEINS because they carry clean blood to the heart.

A

Pulmonary veins

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14
Q

These blood cells carry large amounts of oxygen.

A

RBC’s

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15
Q

This is the liquid component of blood.

A

Plasma

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16
Q

This spot in the heart receives nerve impulses and causes the 2 atria to contract.

A

Sinoatrial Node

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17
Q

This body system works with the circulatory system to recycle fluids back into circulation.

A

Lymphatic System

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18
Q

This is the % of plasma that is composed of water.

A

90%

19
Q

This is the iron rich protein found in Red Blood cells that carries O2.

A

Hemoglobin

20
Q

These are the smallest blood vessels in the body.

A

Capillaries

21
Q

This is the gas exchange that happens in the lung cells.

A

Capillaries drop off waste CO2 and pick up O2.

22
Q

This is the name of a tiny air sac in the lungs.

A

Alveoli

23
Q

These heart chambers RECEIVE blood.

A

Atria

24
Q

These heart chambers disperse blood.

A

Ventricles

25
Q

This side of the heart controls pulmonary circulation.

A

Right

26
Q

This is the wall between the 2 ventricles of the heart.

A

Septum

27
Q

These things help you to avoid cardiovascular disease.

A

Exercise
Control Weight
Avoid excessive stress

28
Q

This is the name of the valve found between the right atrium & right ventricle.

A

Tricuspid valve

29
Q

This side of the heart controls systemic circulation.

A

Left

30
Q

Clean blood travels through this valve when leaving the heart to go to the body.

A

Aortic valve

31
Q

These are tiny veins.

A

Venules

32
Q

These blood cells help fight infection.

A

White Blood Cells

33
Q

This is the name of the valve between the left atrium and left ventricle.

A

Mitral Valve

34
Q

These are fragments of broken cells that are used for clotting blood.

A

Platelets

35
Q

The right ventricle squeezes blood through this valve.

A

Pulmonary valve

36
Q

These are tiny arteries.

A

Arterioles

37
Q

This spot in the heart receives an impulse and causes the 2 VENTRICLES to contract.

A

Atrioventricular Node

38
Q

This is the location of the sinoatrial node.

A

Right atrium

39
Q

This is the scientific name of red blood cells.

A

erythrocytes

40
Q

This is normal human blood pressure.

A

120/80

40
Q

Plasma makes up this % of blood

A

55%

41
Q

Blood vessels are like the __________ of cities.

A

Roads

42
Q

This short pathway is from the heart to the lungs and back.

A

Pulmonary circulation

43
Q

These are the three functions of blood.

A

Regulate body temperature
Transport nutrients and waste
Fight infection

Biology Wages (15 decks)

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