Question

() Fill in the blanks :

(i) The______ prevents the entry of food into the respiratory tract.
(i) The junction of two neurons is
called________
(ii) Morphine, used as an analgesic, is
obtained from_________
(iv) The rod cells contain a purple
colour pigment called_________
(u) Deficiency of oxygen in body tissues
is called_______condition.
{ animal physiology questions}​

Answer 1

ans1.Epiglotis

ans2.Synapse

ans3.the dried latex extracted by shallowly scoring the unripe seepods of papaver somniferum poppy.

ans4.visual purple or Rhodopism

ans5.hypoxia

hope it helps