Ch 3 Les 4 Flashcards

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1
Q

Heart

A

The muscular organ that pumps blood through the body

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2
Q

Atrium

A

An upper chamber of the human heart

2) there are two. One on the left side and one on the right side

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3
Q

Ventricle

A

A lower chamber of the human heart

2) there are two one on the left side and one on the right side

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4
Q

Valve

A

A structure that allows fluids to flow in only one direction

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5
Q

Artery

A

A blood vessel that carries oxygen-rich blood away from the heart to the rest of the body

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6
Q

Aorta

A

A large artery that carries oxygen-rich blood away from the heart to the rest of the body

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7
Q

Vein

A

A blood vessel that transport blood inti the heart

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8
Q

Vena cava

A

The main vein leading from the body into the heart

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9
Q

Capillary

A

A tiny blood vessel that connects arteries and veins

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10
Q

Circulatory system

A

The organ system that moves blood through the body (also known as the cardiovascular system)

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