Fill in the blanks.
(6 marks)
Exchange of gas happens through
b.
is a large elastic muscular bag-like organ just under our navel or
belly button.
The trachea is also known as the
When diaphragm expands, it
lungs up and air
lungs.
is the process of eliminating toxic wastes such as urea and extra
water from the body.
Answers
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2
Answer:
Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
b.Jejunum
c.windpipe
d.yes
e.excretion
Explanation:
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