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Question 1

how is atp broken down

Answer 1

• hydrolysis
• this process actually releases energy, which can be used to power other processes such as phosphorylation

Question 2

when there is low bp what is the neurone and transmitter thats involved and how?

Answer 2

1. impulses are sent to cns in medulla oblongata
2. which sends impulses along symapthetic neurone
3. which causes secretion of neurotransmitter - noroadrenaline
4. that binds to receptors on SAN