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Science · 2023 · 3 marks
CBSE 2023 · Region 2 · Set 1 · Q30
Name the hormone released and the gland which secretes it in human beings during scary situations. How does the body respond to enable it to deal with the situation ?
Marking-scheme solution
Adrenaline hormone; Adrenal gland
Response-
(Any $\displaystyle 2$)-Heart beats faster resulting in supply of more oxygen to muscles
Breathing rate increases
Blood supply to digestive system and skin reduced.
Blood supply diverted to skeletal muscles.
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CBSE Class 10 Science past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.