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Circulatory System > Circulatory System > Flashcards

Circulatory System Flashcards

0
Q

What is the larynx?

A

The voice box.

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1
Q

What is the heart?

A

A hollow muscular organ that pumps blood.

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2
Q

What is the bronchi?

A

The passages that direct air into the lungs.

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3
Q

What is a vein?

A

A blood vessel that carries blood back to the heart

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4
Q

What is an artery?

A

A blood vessel that carries blood away from the heart.

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5
Q

What are the lungs?

A

The main organs in the respiratory system. They exchange oxygen and carbon dioxide.

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6
Q

What is the pharynx?

A

The throat.

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7
Q

What are the vocal chords?

A

Folds of connective tissue that stretch across the opening of the larynx.

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8
Q

What is hemoglobin?

A

A protein that contains iron and binds chemically to oxygen molecules.

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9
Q

What is the diaphragm?

A

A large, dome shaped muscle located beneath the ribs and lungs. It helps with breathing.

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10
Q

What is the atrium?

A

The upper chamber and blood receiving part of the heart.

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11
Q

What is the trachea?

A

The windpipe.

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12
Q

What is cilia?

A

Tiny, hairlike things on the outside of cells that move in a wavelike manner.

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13
Q

What is a capillary?

A

A tiny blood vessel where substances are exchanged between the blood and the body.

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14
Q

What are alveoli?

A

Tiny sacs of lung tissue that move gases between the air and blood.

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15
Q

What is the ventricle?

A

The lower chamber of the heart that pumps blood out into the body.

16
Q

What is a valve?

A

A flap of tissue that prevents blood from flowing backwards. found in a heart or vein.

17
Q

Where does oxygen-poor blood go to and come from?

A

Comes from the body and goes into the lungs.

18
Q

Where does oxygen-rich blood go to and come from?

A

Comes from the lungs and goes out to the rest if the body.

19
Q

What are the main purposes of the circulatory system?

A

Transfer oxygen, nutrients, and wastes. Also fights infection and helps regulate body temperature.

20
Q

What are the main purposes of the respiratory system?

A

Brings in oxygen needed by cells and removes carbon dioxide from the body.

21
Q

What is the aorta?

A

The largest artery in the body that receives blood from the left ventricle.

Circulatory System (1 decks)

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