Question

08
Describe
the movement
of chest cavity & Diaphagram.​

Answer 1

Answer:

There are different methods of sowing such as Broadcasting, Dibbling, Drilling, Seed dropping behind the plough, Transplanting, Hill dropping and Check row planting. Broadcasting is the process of random scattering of seed on the surface of seedbeds. It can be done manually or mechanically both.

Answer 2

Explanation:

During inhalation the diaphragm contracts and becomes flat and the chest cavity enlarges. Similarly, during exhalation the diaphragm relaxes and thus the chest cavity enclosed in its position.

Hope it helps you