What are the respiratory organs in cockroach ? By how many apertures they open out ? Name these apertures and mention their position in the body.

What are the respiratory organs of Cockroach ?

Name the respiratory organs of cockroach.

Name the respiratory organs of a cockroach.

In cockroaches, how many segments is each leg made up of? Name the parts.

What is the name of tracheal opening in cockroach?

How many enzymes are present in pancreatic juice? Name and mention their role in digestion.

How many types of joints are present in human body mention the types?

Name the respiratory organs of flatworm,earthworm, fish, prawn, cockroach and cat.

Answer in one word or one line: (i) Give the scientific name of earthworm. (ii)Give the common name of Periplaneta americana. (iii) How many spermatheca are found in cockraoch ? (iv) What is the position of ovaries in cockroach ? (v) What is the name of tracheal opening in cockroach ? (vi) How many segments are present in the abdomen of cockroach ? (vii)Name the part of alimentary canal of frog where the gullet opens. (viii)Where do you find Malpighian tubules ?