Q1. How does the air that we breathe in reach all the parts of our body?
Q2. How is blood pumped to all parts of the body?
Q3. Which of the following do the doctors do to find out the heart rate of a person?
1) they measure the blood pressure 2) they check the body temperature 3) they check the pulse rate 4) they do a blood test
Q4.Which of these organs functions as a pump in the human body?
1) brain 2 )lungs 3) heart 4) kidneys