Chapter 13 - Coordination and Response : Hormones

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Glucagon

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12 Terms

1

Glucagon

increases blood glucose concentration by stimulating liver cells to convert glycogen to glucose.

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2

Adrenaline

a hormone produced by the adrenal glands located above the kidneys.

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3

cellular metabolism

They affect ________ and coordinate the growth, development and activity of an organism.

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4

Insulin

Hormone that decreases blood glucose concentration by converting glucose to glycogen.

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5

liver

Hormones are active in minute quantities and are destroyed by the ___________ and excreted by the kidneys.

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6

physical threats

It is responsible for the ‘ fight- or- flight response triggered by stress (emotional or ________ to the organism)

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7

diabetes mellitus

a condition in which the body does not produce sufficient insulin or does not respond to insulin.

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8

response

In ________ to stress, the adrenal medulla secretes adrenaline into the blood.

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9

Diabetic individuals

________ can control their disease by receiving regular injections and controlling their carbohydrate intake.

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10

islets of Langerhans

are areas in the pancreas that contain groups of endocrine cells, which release insulin.

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11

Diabetes

________ can cause: (a) Poor immune response- increased susceptibility to infections (b) Damaged blood vessels leading to vision loss and a decreased sensation in the limbs (c) Kidney failure and heart failure.

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12

negative feedback

feedback in opposite phase with the input

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