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The Endocrine System Flashcards

1
Q

What is the endocrine system?

A

Network of glands throughout the body that manufacture and secret chemical messengers called hormones

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2
Q

What are hormones required for?

A

Regulate bodily fluids

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3
Q

The endocrine system provides a chemical system of?

A

Communication for the body via the bloodstream. A required amount of specific hormone is released from an endocrine gland which regulate physiological processes of human body

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4
Q

What are the major endocrine glands?

A

Pituitary gland and adrenal glands and reproductive organs

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5
Q

What are glands?

A

A group of cells that synthesises substances for release into the bloodstream

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6
Q

What are hormones?

A

Chemical messengers that travel through the bloodstream and are carried to target sites through the body

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7
Q

How do hormones work?

A

Target cells respond to particular hormones as they have receptors for that hormone.
When enough receptor sites are stimulated by hormones it causes a physiological reaction

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8
Q

How is the endocrine system regulated?

A

By feedback

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9
Q

What is the pituitary gland?

A

Master gland that causes hormones to be released from other endocrine glands

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10
Q

What is the adrenal gland?

A

Supports key functions in the body such as anti-inflammation and heart functions

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11
Q

What are the testes?

A

Where the make sex cells are produced and male sex hormones

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12
Q

What are the ovaries?

A

Where the female sex cells are produced and hormones that regulate the menstrual cycle

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13
Q

What does the pituitary gland do that affects our behaviour?

A

Makes the adrenal gland release cortisol in response to stress
Ovaries to release oestrogen.

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14
Q

What does the ovaries do that affects our behaviour?

A

Releases oestrogen which is responsible for female reproduction. Release progesterone which makes us sensitive to social cues.

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15
Q

What does the testes do that affect our behaviour?

A

Responsible for releasing testosterone which is important in sperm production and muscle strength

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16
Q

What does the adrenal gland do that affects our behaviour?

A

Releases adrenaline which helps us to respond to stress
Releases cortisol which lowers sensitivity to pain

17
Q

What is the adrenal glands key function?

A

Supports bodily functions such as cardiovascular and anti-inflammatory functions

18
Q

Adrenal gland: What is cortisol(hormone) effect on behaviour?

A

It affects glucose metabolism, lowers sensitivity to pain and suppresses the immune system.

19
Q

Adrenal gland: what is the effect of hormone adrenaline?

A

Increases heart rate, blood flow to muscles and brain converting glycogen to glucose

20
Q

Adrenal gland: what is the key function of adrenaline?

A

Causes physiological changes associated with arousal and prepares the body for fight or flights

21
Q

What is the key function of the pituitary gland?

A

Produces hormones that control the release of of hormones from other glands

22
Q

Pituitary gland: what is the effect of hormones LH and FSH on behaviour?

A

In females when released it stimulates ovaries and produce oestrogen and progesterone
Males stimulates the testes to produce testosterone

23
Q

Pituitary gland: what is the effect of hormones ACTH on behaviour?

A

Released upon stress, it stimulates the adernal glands to release cortisol

24
Q

What is the key function of the testes?

A

Produces sperm and male sex hormones

24
Q

What is the effect of testosterone on behaviour?

A

Development of male characteristics such as facial hair, deepening of the voice, and growth spurt

25
Q

What is the effect on the testes on behaviour?

A

Important for sex drive, sperm production and muscle strength and it’s associated with general health and well-being in men

26
Q

What is the key function of the ovaries?

A

Production of eggs and female sex hormones

27
Q

What is progesterone effect on behaviour?

A

Associated with increased sensitivity to socia; cues

28
Q

What controls the pituitary gland?

A

Hypothalamus

29
Q

What is negative feedback?

A

High levels of hormones produced in other endocrine glans can stop the pituitary releasing more hormones,

Approaches (11 decks)

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