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Science · 2026 · 3 marks
CBSE 2026 · Region 5 · Set 2 · Q14
(a)Mention the gland and the hormone secreted by it in scary situation in human beings.(b)Write two responses that enable the human body to be ready to deal with such situation.
(a)
Mention the gland and the hormone secreted by it in scary situation in human beings.
(b)
Write two responses that enable the human body to be ready to deal with such situation.
Marking-scheme solution
(a)
Adrenal gland
Adrenaline
(b)
Responses
Adrenaline acts on the heart and makes the heart beats faster to provide oxygen to the muscles.
The blood supply to skin and digestive system is reduced due to contraction of muscles of arteries to divert the blood through skeletal muscles.
Breathing rate increases due to contraction of diaphragm and rib muscles.
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CBSE Class 10 Science past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.