Question

7.
Answer in 1-2 sentences.
a. What is the function of blood?
b. What is an organ system?
c. Where do
you
find the windpipe in our body?
d. Write down two ways of healthy breathing.
e. How does air in the cities become dirty?​

Answer 1

Answer:

1) blood helps in transportation.

2) oragn system is group of organ that works together as a biological system to perform one or more functions.

3) in the trachea.

4) more oxygen will be provide to the cell.

and more energy will be released.

5) due to traffic , companies etc.