MCQ
Which is characteristic of Cockroach
- ✓$13-$ chambered heart
- BReduced wings
- CCocoon formation
- DSegmented body
✓
Answer
Correct option: A.
$13-$ chambered heart
a
(a)The heart of cockroach is formed of $ 13 $ chambers each chamber (except the last one) has a pair of small lateral apertures called ostia which open into the pericardial sinus.
(a)The heart of cockroach is formed of $ 13 $ chambers each chamber (except the last one) has a pair of small lateral apertures called ostia which open into the pericardial sinus.
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