Topic: Food Energy and Respiration Subtopic: How we breathe?
What happen when we exhale?
Answer: When we exhale, the diaphragm muscles move upwards and the rib cage is pushed downwards and inwards. This decreases the volume of lungs, forcing the air out of the lungs.
- Why is thrombosis dangerous?
- Why does constipation occur?
- How can constipation be prevented?
- What is pulse?
- What is quantity of blood in an adult?
- What is sequence of transport of food?