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Flashcards in Hormones Deck (12)
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1
Q

What are hormones?

A

Chemical molecules released directly into the blood

2
Q

Name the endocrine glands

A
  • thyroid
  • pituitary gland
  • adrenal gland
  • ovaries
  • testes
  • pancreas
3
Q

Compare nerves and hormones

A
  • nerves are fast
  • hormones are slow
  • nerves act for a short time
  • hormones act for a long time
  • nerves are precise
  • hormones act in a more general way
4
Q

What does the thyroid do?

A

Produces thyroxine

Regulates metabolism, heart rate and temperature

5
Q

Why does the ovaries do?

A

Produce oestrogen

Involved in the mensural cycle

6
Q

What do the testes do ?

A

Produce testosterone

Controls puberty and sperm production

7
Q

What does the pancreas do?

A

Produces insulin

Regulates blood sugar

8
Q

What do the adrenal gland do ?

A

Produces adrenaline

Prepares body for “fight or flight”

9
Q

What is the endocrine system composed of

A

•glands which secrete chemicals called hormones directly into the blood stream

10
Q

What does thyroxine do?

A

Regulates metabolism

Stimulates protein synthesis

Growth and development

11
Q

What does adrenaline do?

A

Increases heart rate

Increases supply of glucose and oxygen

12
Q

When is adrenaline stimulated?

A

In response to scary and stressful things