Actually people celebrate the birthday because that day they came to the earth , the life on the earth started on that day
<span>The </span>function of the valves<span> in the peripheral </span>veins<span> is to ensure that the overall movement of blood in the </span>veins<span> is in the right direction, toward the heart. This is especially important in the </span>legs<span>, where the blood must flow a relatively long distance against gravity. </span>
Answer:
The correct answer is option B, that is, phthalates.
Explanation:
A class of chemicals that are used to soften plastics like PVC, function as fixatives and solvents and bind fragrances in the products are known as phthalates. The human encountering with the chemicals can take place via:
1. Inhalation of fragrances or fumes from fixatives and solvents,
2. Chewing on a plastic toy by a child that develops small openings in the plastic, which provides a space for the chemical to get leached from the toy into the mouth of the child.
3. Through the absorption of perfumes, lotion, and deodorants.
The serious health effects of the chemicals comprise developmental and reproductive issues, hormone disruption, low sperm count, asthma, undescended testes, preterm birth, premature puberty, and development of certain kinds of cancers.
Answer:
A microorganism, or microbe, is a microscopic organism, which may exist in its single-celled form or a colony of cells. ... Microorganisms include all unicellular organisms and so are extremely diverse. Of the three domains of life identified by Carl Woese, all of the Archaea and Bacteria are microorganisms.
It can helps us to keep the human body healthy and continue to discover how to keep it healthy, and what keeps it healthy. The study of biology can lead to discovering how to prevent diseases. In the environment, if something is off, then people can use biology to see what is wrong and how to fix it.
