Question

Q1) Why does a muscle cramp occur?
Q2) Define Breathing rate.
Q3) What does a breath means?
Q4) Define cellular respiration. Where does it take place?
Q5) What is the difference between Inhalation and Exhalation?

Answer 1

Hi Friends...

Q1) WHY DOES A MUSCLE CRAMP OCCUR?
Ans) A muscle cramp occur due to accumulation of lactic acid in the muscle.

Q2) DEFINE BREATHING RATE.
Ans) The number of times a person breathes in a minute is termed as Breathing rate.

Q3) WHAT DOES A BREATH MEANS?
Ans) It means one inhalation plus one exhalation.

Q4) DEFINE CELLULAR RESPIRATION. WHERE DOES IT TAKE PLACE?
Ans) The process of breakdown of food in the cell with the release of energy is called cellular respiration.
Cellular respiration takes place in the cells of all organisms.

Q5) WHAT IS THE DIFFERENCE BETWEEN INHALATION AND EXHALATION?
Ans) The taking in of air inside the body which is rich in oxygen is called Inhalation and giving out of air rich in carbon dioxide is called Exhalation.

hope it helps...