Question

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

Answer 1

$answer$

➯(A) is right

Answer 2

Answer:

i think option A is correct