Question

Fill in the black
1. Breathing involves two step dash and dash
2. During exhalation ribs moves dash and dash
3. Lungs are main dash organ in human beings which are enclosed in the dash
4. End products of respiration are dash, dash and energy
5. dash is second biggest killer globally caused by dash
guys please follow me and please give me the answer of that question please please ​

Answer 1

answer:

1. inhale and exhale

2. downward and inward

3. body, pleural sac

4. carbon dioxide (Co2) , water

5...I don't know!!!

Answer 2

Answer:

Coz Arun always takes the name of u.....