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In the respiratory system of cockroach, trachea opens through 10 pairs of small holes called spiracles. The part of integument supporting spiracles is |
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a) |
Bronchioles |
b) |
Alveoli |
c) |
Peritreme |
d) |
Tracheoles |
|
In the respiratory system of cockroach, trachea opens through 10 pairs of small holes called spiracles. The part of integument supporting spiracles is |
|||||||
|
a) |
Bronchioles |
b) |
Alveoli |
c) |
Peritreme |
d) |
Tracheoles |
(c)
In the respiratory system of cockroaches, trachea opens through 10 pairs of small holes called spiracles. The part of integument, which, support the spiracle from outside is called peritreme