Fill in the blanks with suitable words. (a) The roots of a plant take up oxygen from the ______ trapped between the ________ particles.
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 ___________.
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