Question

13. a) Draw a well labelled diagram of the human heart showing blood circulation
b) A liquid P of colour 'Q* circulates in the human body in one direction from body tissues to the heart.
Among other things, liquid P contains germs from cells and dead cells, The liquid P is cleaned of germs
and dead cells by a special type of white blood cells called 'R'. This cleaned liquid is then put into blood
circulatory system in subclavian veins.
1
1)The liquid 'P' is somewhat similar to a component of blood. Name this component.
1) What is liquid 'P"?
im) What is the colour of P 7
iv) Why is liquid 'P' not red?
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Answer 1

Answer:

no

Explanation:

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