It is useful for the walls of capillaries to consist of a single layer of thin, flattened cells in order to easily diffuse oxygen and nutrients easily from the blood and into the capillaries. Not only that, but this also makes it more efficient for carbon dioxide and other waste molecules to diffuse from the capillaries and into the blood. If capillaries were thicker than a cell, then it would be more difficult for materials to diffuse through the thick layer of cells.
Answer: Maybe you think that snails, clams, mussels, squid, and octopods are very different. Yet, they are all in the same category of animals known as mollusks and are structurally similar. ... Mollusks usually, but not always, have a shell, which is secreted by a body wall called the mantle.
Answer:
Olivine is the first mineral to form in cooling magma
The plant tissue that is most likely to store water in the cactus plant is vascular tissue.
<h3>What is vascular tissue?</h3>
Vascular tissue is made up of xylem and phloem.
The main function of vascular tissue is to transport water and minerals to parts of plants.
The vascular tissue in the cactus helps to transport water to the spines.
It also stores water for a long period of time.
Thus, the correct option is vascular tissue.
Learn more about vascular, here:
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