Lesson 8, Chapter 1 Flashcards

1
Q

Cardiovascular System

A

The organ system made up of your heart, blood vessels, and blood

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2
Q

Arteries

A

Blood vessels which carry blood away from heart.

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3
Q

Veins

A

Blood vessels that carry blood towards your heart

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4
Q

Capillaries

A

Microscopic blood vessels which allow gases and other substances to travel into and out of your bloodstream

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5
Q

Ions

A

Electrically charged particles

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6
Q

Leukocytes

A

White blood cells

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7
Q

Platelets

A

Extremely small cells which form blood clots

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8
Q

Oxygen free radicals

A

Single oxygen atoms, or unstable molecules which contain atoms of oxygen, that have unpaired electrons

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