Which part do the following organisms use for respiration?
A) Frog
B) Earthworm
C) Humans
D) Plants
E) Fishes
A) Frogs- skin and lungs
B) Earthworm- moist skin
C) Humans- lungs
D) Plants- stomata
E) Fishes- gills
The two organisms which breathe only through their moist skin are :(a) fish and frog(b) frog and earthworm(c) leech and earthworm(d) fish and earthworm
(i) In plants, respiration happens during the night time only, while photosynthesis happens during the day.
(ii) In humans, the exchange of gases takes place in the alveoli.
(iii) Haemoglobin has a greater affinity for oxygen than carbon dioxide.
(iv) Aquatic organisms use the oxygen in the surrounding atmosphere for respiration. [0.8 Mark]
Question 3
Which of the following organisms do not have both muscles and skeleton for movement? (a) Dog (b) Snail (c) Earthworm (d) Human being