State the position of alary muscles and diaphragm during diastole in cockroach.

On contraction of alary muscles, the size of pericardial sinus

State the number of bones and muscles in human body.

Alary muscles in cockroach are connected with

During muscle contraction

State the law of conservation of linear momentum. It is a consequence of which law? Give an example form our daily life for conservation of momentum. Does it hold good during burst of a cracker?

Answer the following questions: In the case of image formation by a concave mirror, draw neat and labelled ray diagrams in the following cases : Object at infinity Also, state the position, nature and size of the image relative to the size of the object.

Answer the following questions: In the case of image formation by a concave mirror, draw neat and labelled ray diagrams in the following cases : Object at the focus of the mirror Also, state the position, nature and size of the image relative to the size of the object.

Answer the following questions: In the case of image formation by a concave mirror, draw neat and labelled ray diagrams in the following cases : Object at the centre of curvature of the mirror Also, state the position, nature and size of the image relative to the size of the object.

Which type of muscle is the diaphragm of the respiratory system?

The respiratory passage in cockroach during inspiration is