Adrenaline/ thyroxine Flashcards

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1
Q

Where are adrenal glands located?

A

Above the kidneys

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2
Q

When is adrenaline produced?

A

During times of fear or stress into the blood

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3
Q

Effects of adrenaline

A

Increase heart rate so more oxygen and blood to brain and muscles for aerobic respiration in preparation for flight or fight

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4
Q

Thyroid gland location

A

Back of neck

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5
Q

When is thyroxine produced?

A

Makes chemical reactions take place faster
For growth and repair

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6
Q

Journey of thyroxine in body

A

Pituitary gland detects fall in thyroxine levels
So releases TSH
Which triggers thyroid gland or release more thyroxine into blood
Increase is detected by brain ro stop release of TSH

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7
Q

Negative feed back cycle

A

If levels of hormone 1 are too low there is an increase of hormone 2 to trigger hormone 1 to be released more
When 1 increases 2 will decrease again

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