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Bio > Lungs And Heart And Stuff > Flashcards

Lungs And Heart And Stuff Flashcards

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Biology 101 flashcards
1
Q

Lymphatic system

A

Lymph, lymph nodes, and lymph vessels

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2
Q

Circulatory system

A

Collectively made up of the cardiovascular system and lymphatic system

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3
Q

Pericardium

A

A tough saclike membrane surrounding the heart

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4
Q

AV valves

A

Separates each atrium from vent rival below it

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5
Q

What are the two AV valves

A

Tricuspid valve(right) and mitral valve(left)

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6
Q

SA node

A

A group of specialized heart muscle cells in the right atrium

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7
Q

Why is the SA node also called the pacemaker

A

It regulates the rate of contraction of the entire heart

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8
Q

Systole

A

Phase one of heartbeat occurs when the ventricles contract. Closes AV valves and opening SL valves to pump blood into the major vessels

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9
Q

Diastole

A

Phase two of heartbeat occurs when the ventricles relax

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10
Q

Arteries

A

Large muscular vessels that carry blood away from the heart

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11
Q

Systolic pressure

A

The pressure of the blood when the ventricles contract

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12
Q

Diastolic pressure

A

The pressure of the blood when the ventricles relax

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13
Q

Hypertension

A

High blood pressure

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14
Q

Vein

A

Large blood vessel that carries blood to the heart

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15
Q

Pulmonary circulation

A

In which the blood travels between the heart and lungs

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16
Q

Systemic circulation

A

In which the blood travels between the heart and the Body

17
Q

Coronary circulation

A

Type of systemic circulation in which blood is supplied to the heart itself

18
Q

Atherosclerosis

A

A disease characterized by the buildup of fatty materials on the interior walls of the coronary artery

19
Q

Renal circulation

A

Supplies blood to kidneys

20
Q

Lymph

A

Excess fluid in the tissues

21
Q

Lymphocytes

A

White blood cells that are specialized to fight disease

22
Q

Erythrocytes

A

Red blood cells

23
Q

Hemoglobin

A

Protein that transfers oxygen and carbon dioxide

24
Q

Leukocytes

A

White blood cells

25
Q

Phagocytes

A

Cells that ingulf invading microorganisms

26
Q

Antibodies

A

Proteins that help destroy bacteria and viruses

27
Q

Platelets

A

Essential to the formation of blood clots

28
Q

External respiration

A

The exchanges of gases between the atmosphere and blood

29
Q

Internal respiration

A

The exchange of gases between the blood and the cells of the body

30
Q

Epiglottis

A

A flap of skin that covers the air passage when swallowing food

31
Q

Trachea

A

Sweep particles and mucus away from lungs

32
Q

Inspiration

A

Taking air into the lungs

33
Q

Expiration

A

Breathing air out of lungs

34
Q

Cardiovascular system

A

Blood, hear, and blood vessels

Bio (14 decks)

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