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.
- After chewing where does food go?
- What is hemophilia?
- Where do gases enter and leave plant?
- What is major component of respiration?
- What is tobacco smoking?
- How many times blood enters heart in one circulation?