SB7b: Hormonal Control Of Metabolic Rate Keywords Flashcards

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1
Q

Adrenalin

A

A hormone that is released from the adrenal glands when you are nervous or excited.

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2
Q

Fight-or-flight response

A

Several responses that prepare the body for sudden action, including increased heart rate, increased blood flow to muscles, and release of glucose into the blood.

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3
Q

Glycogen

A

A polymer storage material made from glucose, particularly in liver cells

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4
Q

Metabolic rate

A

The overall rate at which chemical reactions take place in the body.

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5
Q

Negative feedback

A

A control mechanism in which a change in a condition, such as temperature, causes the opposite change to happen and so brings the condition back to a normal level.

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6
Q

Resting metabolic rate

A

The metabolic rate when the body is at rest.

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7
Q

Thyroxine

A

A hormone released by the thyroid gland, which affects metabolic rate by changing how certain cells work (e.g. causes heart cells to contract more strongly).

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