Question

21 (ii)
24
25 (I)
26
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Answer 1

Answer:

21(2)dendrites of the other neurones through the nerve ending of other neuron through synapse

24. reflex action, endocrine system ,nervous system, responding to stimulus. okay did you get it ?

25(1) yes the hormones produced in the endocrine system are in small quantities because of the feedback mechanism. if the sugar level is low insulin released is low if the sugar level is high when insulin is released high rate the secretion of a hormone depends upon the the target organ function.

26. P is pancreas ,H is insulin ,D is diabetes

Explanation:

endocrine hormones system and nervous system are entirely different

hope you may understand this