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Life Science Curriculum > Chapter 19 > Flashcards

Chapter 19 Flashcards

1
Q

Heart

A

The muscular organ in the chest cavity that pumps the blood

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2
Q

Atrium

A

Either of the two upper chambers of the heart that receive blood from the veins and pump it into the ventricles

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3
Q

Ventricle

A

Either of the two lower, muscular chambers of the heart that pump blood into the arteries

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4
Q

Aorta

A

The main artery of the body; exits the left ventricle

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5
Q

Artery

A

A thick, muscular blood vessel that carries blood away from the heart

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6
Q

Capillary

A

A microscopic blood vessel that connects arteries to veins

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7
Q

Vein

A

A thick-walled blood vessel with valves that carries blood back to the heart

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8
Q

Superior Vena Cava

A

The major vein from the upper part of the body that enters the right atrium

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9
Q

Inferior Vena Cava

A

The major vein from the lower part of the body that enters the right atrium

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10
Q

Septum

A

The wall of cardiac muscle that separates the left and right sides of the heart

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11
Q

Systemic Circulation

A

The path of blood vessels from the heart to the systems of the body and back

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12
Q

Pulmonary Artery

A

Either of the two arteries that carry oxygen-poor blood from the heart to the lungs

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13
Q

Pulmonary Veins

A

Any of the veins that carry oxygen-rich blood back to the heart from the lungs

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14
Q

Pulmonary Circulation

A

The path of blood vessels from the heart to the lungs and back

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15
Q

Plasma

A

The liquid part of the blood

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16
Q

Red Blood Cell

A

A disc-shaped cell in the blood which contains hemoglobin for carrying oxygen

17
Q

Hemoglobin

A

An iron-containing protein in red blood cells that carries oxygen

18
Q

White Blood Cell

A

An amoeboid cell in the blood that engulfs and destroys pathogens

19
Q

Platelet

A

A colorless cell fragment in the blood that begins the clotting process

20
Q

Fibrinogen

A

A protein in the blood that forms fibers to help platelets form a clot

Life Science Curriculum (21 decks)

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