(a) Name the gland and the hormone secreted by it in scary situations in human beings. List any two…
(a) Name the gland and the hormone secreted by it in scary situations in human beings. List any two responses shown by our body when this hormone is secreted into the blood.
OR
(b) In the given diagram
(i) Name the parts labelled A, B, and C.
(ii) Write the functions of A and C.
(iii) Reflex arcs have evolved in animals ? Why ?
Solution
(a) Adrenal gland ; Adrenaline hormone
Response-
Heart beats faster resulting in supply of more oxygen to muscles
Breathing rate increases
Blood supply to digestive system and skin gets reduced.
Blood supply diverted to skeletal muscles.
(any two)
