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Accelerated Health & P.E > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

0
Q

What is the normal heartbeat?

A

60 to 80 strokes per minute

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1
Q

What is the strongest muscle in the body?

A

The heart?

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2
Q

What is the average heartbeat?

A

72 strokes per minute

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3
Q

The cardiovascular system consists of what three components?

A

1) Heart
2) blood
3) blood vessels

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4
Q

What are three components of blood vessels?

A

1) arteries
2) veins
3) capillaries

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5
Q

The cardiovascular system transports what three things?

A

1) Oxygen
2) Nutrients
3) Antibodies

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6
Q

What are four components of arteries?

A
  1. Carries blood away from heart
  2. Are thick walled
  3. Responsible for blood loss
  4. Decreased in size away from the heart
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7
Q

What are the blood vessels from largest to smallest?

A

Aorta, artery, ateriole, capillary

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8
Q

What are the 3 components of a capillary?

A

1) this smallest of all blood vessels
2) thin, single, and layered
3) deliver vital substances to tissue and cells and pick up cellular waste

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9
Q

What are the three components of veins?

A

1) carries blood back to the heart
2) Contains files to help bloodflow and prevent backward flow
2) venue-all the smallest of all veins, connects to capillaries

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10
Q

What are the four linings of the heart?

A

1) pericardium
2) myocardium
3) endocardium
4) septum

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11
Q

What is the pericardium?

A

Large outer layer that cushions the heart

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12
Q

What is the myocardium?

A

The outer muscular lining of the heart walls

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13
Q

What is the endocardium?

A

The tough membrane lining the heart chambers

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14
Q

What is the septum?

A

Divides the heart into two sides

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15
Q

What are the three chambers of the heart?

A

1) Atrium
2) Ventricle
3) Valves

16
Q

What is the atrium?

A

Right & Left upper, thin walled chamber; receive blood

17
Q

What is the ventricle?

A

Right & Left lower, muscular walled chambers; pumps blood out of the heart.

18
Q

What are valves?

A

Chambers are separated by one-way valves, this prevents blood from flowing backwards o

19
Q

What is a heart murmur?

A

When valves the heart don’t close properly blood seeps into the next chamber

20
Q

What are the four blood vessels of the heart?

A

1) Aorta
2) Vena Cava
3) Pulmonary Artery
4) Pulmonary Veins

21
Q

What is the aorta?

A

Leads from the left ventricle to the rest of the body

Three branches

22
Q

What is the vena cava?

A

Going to the head and the other to the rest of the body

2 branches

23
Q

What is the pulmonary artery?

A

Carries blood from the right ventricle to the lungs

24
Q

What are the pulmonary veins?

A

Carries blood from the lungs, back to the heart, to the left atrium

Accelerated Health & P.E (10 decks)

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