Question

Distinguish between using two points of difference ;-

a. receptors and effectors
b. voluntary and involuntary actions
c. geotropism and hydrotropism
d. exocrine and endocrine glands

Answer 1

a) Receptor Those agent which accept stimulus
Effector those agent which send stimulus for action
b) voluntary actions those action which can control by us Example walking
Involuntary those action which are not under control example beating of heart
c) geotropism growth of plants toward earth
Hydrotropism growth of plant toward warer
d) exocrine gland these are duct containing gland responsible for secretion of enzyme
Endocrine gland these are duct less gland responsible for the secretion of hormones

Answer 2

receptors means cell or anything which receives stimulus ( message) like pain receptor

effectors - which response the stimulus by doing some action in response to stimulus

voluntary- means which are in our control like we can move our hands account to our wish

involuntary - which are not in our control like cardiac muscles

exocrine means gland which have ducts like salivary glands

endocrine means glands which lack ducts and their secreation are called hormones

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