Mention structure of heart and path of transport in cockroach.
Mention structure of heart and path of transport in cockroach.
$\rightarrow$ The heart of cockroach consists of elongated muscular tube lying along mid dorsal line of thorax and abdomen. It is differentiated into funnel shaped chambers with ostia on either side. The first $3$ segments are located in thorax region and remaining are located in abdomen region.
$\rightarrow$ Blood cells are of two types. Small sized proleucocytes and large sized phagocytes. Blood enters into heart from sinuses through ostia and is pumped anteriorly to sinuses again.
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Match List $I$ with List $II$ related to digestive system of cockroach.
List $I$
List $II$
$A$ The structures used for storing of food
$I$ Gizzard
$B$ Ring of $6-8$ blind tubules at junction of foregut and midgut.
$II$ Gastric Caeca
$C$ Ring of $100-150$ yellow coloured thin filaments at junction of midgut and hindgut.
$III$ Malpighian tubules
$D$ The structures used for grinding the food.
$IV$ Crop
Choose the correct answer from the options given below:
Match List $I$ with List $II$ related to digestive system of cockroach.
| List $I$ | List $II$ |
| $A$ The structures used for storing of food | $I$ Gizzard |
| $B$ Ring of $6-8$ blind tubules at junction of foregut and midgut. | $II$ Gastric Caeca |
| $C$ Ring of $100-150$ yellow coloured thin filaments at junction of midgut and hindgut. | $III$ Malpighian tubules |
| $D$ The structures used for grinding the food. | $IV$ Crop |
Choose the correct answer from the options given below:
- [NEET 2024]