Question

. The human body has an organ A which acts as a pump. The organ A pumps a liquid into the whole
body continuously. The liquid B supplies the useful substances and to all the body cells and removes
a waste E from the body cells.
(a) What are (1) organ A, and (in) liquid B?
(b) What is the colour of liquid B?
(Name the useful substances (1) C, and (1) D.
What is the waste E?
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Answer 1

Explanation:

a)1-heart

b)red

c)oxygen

Answer 2

Answer:

A) Heart is the answer /