1.
Define respiration. Name the two types of respiration.
Name the respiratory organ of the following:
2.
(a) crab
(b) man
(c) leech
(d) an insect
3.
Define transpiration.
4.
Define the term 'breathing rate.
5.
Name the body organs which help lungs during the process of breathing.
Why do we need to breathe out carbon dioxide?
6.
Answers
Answer:
1. Respiration is a catabolic process in which the living cells of the oxydise organic substances glucose with the help of oxygen (aerobic) releasing CO2 and water and energy in the absence of Oxygen(anaerobic) producing ethyl CO2 and energy
The 2 types of respiration are - anaerobic and aerobic
2.a)gills
b)lungs
c)skin
d)tracheae
3. Transpiration is the process in plants to give off water vapor through pores in their leaves.
4. A person's breathing rate is the number of breaths you take per minute.
5. Nose/nasal cavity
pharynx
larynx
trachea
bronchi
The carbon dioxide produced is a waste product and needs to be removed. Just like oxygen, carbon dioxide is transferred to blood to be carried to the lungs, where it is removed and we breathe it out.