Science, asked by kashish1439, 11 months ago

Answer these all questions as soon as possible pls it's urgent​

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Answered by priyanka388
1

1) Transport of material s is necessary for plants or animal because due to it the nutrients and oxygen are made available to all the part of the body. If the transport of necessary nutrients and oxygen not their in the body, then the body will not able to survive.

2)If there is no platelets in the blood, then the body can form clots. A low platelet count may also be called thrombocytopenia. This condition can range from mild to severe, depending on its underlying cause.

3)The water evaporates through the stomata present on the surface of the leaves. Transpiration is very important for the loss of water that was observed by plants. However, it is very important for the plants as it help in the movement of water to the top of the plant.

4)The blood look red because of the hemoglobin inside our red blood cell. Hemoglobin helps to transport oxygen molecules throughout the body.

5)a) human heart is above.

b)human excretory system.

6)a)Xylem:- Xylem transports water and minerals from the roots to aerial part of the plant.

phloem:- Phloem transport sugar that are synthesized in the green part of the plant to the other parts.

b) Arteries:- 1) Arteries carry blood away from the heart to the tissues of the body.

2) Arteries carry oxygenated blood except pulmonary artery.

Veins:-1) Veins carry blood from the tissue of the body back to the heart.

2) Veins carry deoxygenated blood except pulmonary veins.

7)a)Blood capillaries are the smallest of the body's blood vessels. They are only one cell thick, and they are site of the transfer of oxygen and other nutrients from bloodstream to other tissues in the body ; they also collect carbon dioxide waste materials and continue scrolling fluid for return to the veins.

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