Question

(it) under the fan
(iv) covered with a polythene bag
4. Why is transport of materials necessary in a plant or in a
Explain.
5. What will happen if there are no platelets in the blood
6. What are stomata? Give two functions of stomata.
7. Does transpiration serve any useful function in the plants
8. What are the components of blood?
9. Why is blood needed by all the parts of a body?
. What makes the blood look red?
. Describe the function of the heart.
Why is it necessary to excrete waste products?
Draw a diagram of the human excretory system and labe
parts​

Answer 1

Explanation:

Each red blood cell is about one-third hemoglobin, by volume. Plasma is about 92% water, with plasma proteins as the most abundant solutes. The main plasma protein groups are albumins, globulins, and fibrinogens. The primary blood gasses are oxygen, carbon dioxide, and nitrogen.