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Science 8 > Science- Cardiovascular System > Flashcards

Science- Cardiovascular System Flashcards

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1
Q

Removes…?

A

Carbon dioxide, waste products

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2
Q

Blood volume? (Men,women)

A

Men- 5 L

Women- 4-5L

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3
Q

Circulatory system made up of…?

A

Blood, blood vessels, heart

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4
Q

Blood vessels…? (Examples)

A

Aorta, arteries, arterioles, capillaries (oxygenated blood)

Superior+inferior vena cava, veins, venules (deoxygenated blood)

Main three: arteries, capillaries, veins

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5
Q

Valves prevent?

A

Backflow

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6
Q

Heart is made up of?

A

Muscles

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7
Q

Components of blood

A

Plasma, blood cells( red,white, platelets)

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8
Q

Plasma

A

Clear yellowish fluid. Contains=proteins, antibodies, hormones, clot forming proteins, minerals.
55% of blood is plasma.

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9
Q

Red blood cells

A 
Carry oxygen from lungs to rest of body, carbon dioxide to lungs where exhaled. Formed in bone marrow. Also in liver and spleen. 
Protein molecules (hemoglobin) carries oxygen to capillaries and carbon dioxide to lungs
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10
Q

White blood cells

A

Fight infection, prevent growth of cancer. Larger than RBC. 1 drop= 5000-11000 WBC.

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11
Q

Platelets

A

Clotting blood. When cut, stop bleeding and seal wound by thickening the blood to a scab. 1 drop= 200000-400000 platelets.

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12
Q

Arteries

A

Carry blood away from heart (oxygenated blood)
Blood vessels.
Blood underpressure- thick walled and elastic- withstand pressurized flow

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13
Q

Veins

A

Take blood to heart (deoxygenated blood)

Thinner walks- blood is not pressurized like arteries.

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14
Q

Blood flow in heart

A

Body>superior vena cave> right atrium> tricuspid valve> right ventricle> pulmonary semilunar valve> pulmonary artery> lungs> pulmonary veins> left atrium> bicuspid valve> left ventricle > aortic semilunar valve> aorta > body

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15
Q

Pulmonary artery

A

Carry deoxygenated blood (only arteries, left+right)

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16
Q

Pulmonary veins

A

Carry oxygenated blood (only veins, left+right)

17
Q

Right, left atrium

A

Allow the blood to move from body to heart

18
Q

Right, left ventricle

A

Pump blood out of heart

19
Q

Capillaries

A

Network of tiny blood vessels.
Oxygen, nutrients, and glucose diffuse through the thin walls into fluid that surrounds tissue cells.
Carbon dioxide+waste diffuse out of these cells into capillaries.

20
Q

RBC, WBC, platelets are? (Percent)

A

45%

21
Q

Lungs

A

Deliver oxygen for cellular respiration and exrete Carbon dioxide

22
Q

Transports …?

A

Oxygen, nutrients

Science 8 (9 decks)

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