Soc16: Structure Of Blood Vessels + Distribution Flashcards

1
Q

Vascular shunting

A

Process that increases blood flow to active areas during exercise by diverting blood away from inactive areas; achieved by vasodilation and vasoconstriction.

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2
Q

Immune system

A

Structures and processes in your body that stop disease.

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3
Q

Thrombokinase

A

Substance involved in blood clotting.

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4
Q

Serotonin

A

Hormone that triggers the clotting process.

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5
Q

Plasma

A

The fluid part of blood.

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6
Q

Erythrocyte

A

Red blood cell

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7
Q

Haemoglobin

A

A red protein in the blood that transports oxygen.

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8
Q

Anaemia

A

A condition where there is a lack of red cells or haemoglobin in the blood.

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9
Q

Leukocyte

A

White blood cell

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10
Q

Pathogen

A

An agent that causes disease, such as a virus.

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11
Q

Antibody

A

Chemical that destroys a pathogen.

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12
Q

Cardio-respiratory system

A

The interaction of the heart and lungs to supply oxygen to muscles during exercise.

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13
Q

Cardiovascular

A

To do with the heart, blood and blood vessels together.

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14
Q

Vasodilation

A

When veins swell up or dilate; widening of the internal diameter (lumen) of the blood vessel to allow increased blood flow.

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15
Q

Vasoconstriction

A

When veins shrink down; narrowing of the internal diameter (lumen) of the blood vessel to decrease blood flow.

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16
Q

Cusp

A

A triangular fold or flap of a heart valve.

17
Q

Pulmonary

A

To do with the lungs

18
Q

Vein

A

Tube that carries blood back to the heart.

19
Q

Artery

A

A muscular tube that carries blood away from the heart.

20
Q

Venous

A

To do with the veins