What helps them to breathe?
(a) A fish
(b) A snake
(c) A crane (d) An earthworm
(d) Man
(e) A banyan tree
(f) A banyan tree
Answers
a)Fish breathe with their gills, and they need a constant supply of oxygen. Gills sit under the operculum. This is called the gill slit.
c) nostrils
b)Snakes have nostrils, just like humans, and they breathe through them and use them to smell. However, their best sense of smell comes from using their tongue, and they can also breathe through their mouths, like humans, by using their glottis
d)Earthworms do not have lungs. They breathe through their skin. Oxygen and carbon dioxide pass through the earthworm's skin by diffusion.
earthworm - skin
e)Man-nose
f)As they don't have lungs. They absorb CO2 through their stomates, or small cells, in their leaves and they convert sunlight into energy and release oxygen; By the process called photosynthesis. [ This answer also applies to banyan tree. ]
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