Question

Question 8
Fill in the blanks with suitable words.
(a) The roots of a plant take up oxygen from the___ trapped between the ___ particles.
(b) Diaphragm forms the ___ of the chest cavity.
(c) Exchange of gases in the leaves take place with the help of ___.
(d) Cockroaches breathe with the help of air tubes called ___.

Answer 1

(a) air, soil
(b) floor
(c) stomata
(d) tracheae