Question

what do following transport? 1.xylem 2.phloem 3.pulmonary veins 4.pulmonary artery

Answer 1

1. Plants have two different types of transport tissue. one of them is Xylem which transports water and solutes from the roots to the leaves, phloem transports food from the leaves to the rest of the plant. Transpiration is the process by which water evaporates from the leaves, which results in more water being drawn up from the roots.

2.Phloem is the vascular tissue responsible for the transport of sugars from source tissues (ex. photosynthetic leaf cells) to sink tissues (ex. non-photosynthetic root cells or developing flowers). Other molecules such as proteins and mRNAs are also transported throughout the plant via phloem.

3.pulmonary veins are among the few veins that carry oxygenated blood instead. Oxygenated blood from the lungs is circulated back to the heart through the pulmonary veins that drain into the left atrium.

4.The pulmonary artery transport deoxygenated blood from the right ventricle to the lungs. ... The pulmonary artery pressure is an estimation of the blood pressure in the main pulmonary artery.

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Answer 2

Xylem transports water and solutes from the roots to the leaves.
phloem transports food from the leaves to the rest of the plant.
pulmonary artery carries deoxygenated blood and pulmonary artery carries oxygenated blood