NCERT solution for class 7 || Science || Chapter 10 -Respiration in organisms
NCERT solution >Class 7 > Science NCERT solution for class 7 || Science || Chapter 10 -Respiration in organisms Chapter 10- Respiration in organisms Exercise - Q1. Why does an athlete breathe faster and deeper than use one after finishing the race? Answer- Because during the running the muscles of the athlete needs more energy and breathing faster and deeper more oxygen reaches to the cell and it increases the rate of energy released Q2. List the similarities and differences between aerobic and anaerobic respiration? Answer- Similarities - during both respiration the food is break down into energy Differences in aerobic and anaerobic respiration Q3. Why do we often sneeze when we inhale a lot of dust Laden air? Answer- Sneezing expel the foreign particles from the inhaled air. When we inhaled a lot of dust particle then it create irritation in nasal passage . And th...