Adrenaline (Edexcel GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
Gland that produces adrenaline
Gland that produces adrenaline
Adrenal gland
Response adrenaline is involved in
Response adrenaline is involved in
Fight/flight response
Two substances adrenaline increases supply of to cells
Two substances adrenaline increases supply of to cells
O2 and glucose
Effect of adrenaline on breathing rate
Effect of adrenaline on breathing rate
Increases rate and depth - more O2 enters body
How adrenaline affects heart rate
How adrenaline affects heart rate
Increases it - heart contracts more forcefully and faster
Effect of adrenaline on blood pressure
Effect of adrenaline on blood pressure
Increases it - heart pumps harder and faster
Why adrenaline causes 'butterflies' or paleness
Why adrenaline causes 'butterflies' or paleness
Blood diverted away from intestine to muscles
How adrenaline increases blood sugar levels
How adrenaline increases blood sugar levels
Stimulates liver to change glycogen to glucose
What liver releases into blood during adrenaline response
What liver releases into blood during adrenaline response
Glucose (from glycogen)
What triggers adrenal glands to secrete adrenaline
What triggers adrenal glands to secrete adrenaline
Nervous impulses when stressful situation detected