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Questions and Answers
Which gland produces adrenaline in times of fear or stress?
Which gland produces adrenaline in times of fear or stress?
- Pancreas
- Pituitary gland
- Adrenal glands (correct)
- Thyroid gland
What is the main function of adrenaline in the body?
What is the main function of adrenaline in the body?
- To regulate blood sugar levels
- To deliver oxygen to the brain (correct)
- To reduce heart rate
- To aid digestion
How does adrenaline affect breathing rate?
How does adrenaline affect breathing rate?
- It only affects breathing rate in certain situations
- It has no effect on breathing rate
- It increases breathing rate (correct)
- It decreases breathing rate
What happens to blood flow when adrenaline is released?
What happens to blood flow when adrenaline is released?
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Is adrenaline controlled by negative feedback?
Is adrenaline controlled by negative feedback?
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Study Notes
Adrenaline Production and Function
- Adrenaline is produced by the adrenal gland in times of fear or stress.
Adrenaline's Main Function
- Adrenaline's main function is to prepare the body to respond to stress or danger by increasing energy and strength.
Adrenaline's Effect on Breathing Rate
- Adrenaline increases breathing rate, allowing the body to take in more oxygen.
Adrenaline's Effect on Blood Flow
- Adrenaline increases blood flow to the muscles and brain, preparing the body for "fight or flight" response.
Adrenaline Regulation
- Adrenaline is controlled by negative feedback, ensuring that its production is regulated and prevented from becoming too high.
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