Notifications
Clear all
0
24/11/2020 1:22 pm
Topic starter
(a) Draw a labelled diagram of the respiratory system of human beings with diaphragm at the end of expiration.
(b) List four conditions required for efficient gas exchange in an organism.
1 Answer
0
24/11/2020 1:26 pm
(a) Human Respiratory System
(b) (i) A large surface area over which exchange can take place.
(ii) A concentration gradient without which nothing will diffuse.
(iii) A thin surface across which gases diffuse. (iv) Warm conditions.