Answer:
The leukocyte, commonly known as a white blood cell (or WBC), is a major component of the body’s defenses against disease. Leukocytes protect the body against invading microorganisms and body cells with mutated DNA, and they clean up debris. Platelets are essential for the repair of blood vessels when damage to them has occurred; they also provide growth factors for healing and repair.Although leukocytes and erythrocytes both originate from hematopoietic stem cells in the bone marrow, they are very different from each other in many significant ways. For instance, leukocytes are far less numerous than erythrocytes: Typically there are only 5000 to 10,000 per µL. They are also larger than erythrocytes and are the only formed elements that are complete cells, possessing a nucleus and organelles. And although there is just one type of erythrocyte, there are many types of leukocytes. Most of these types have a much shorter lifespan than that of erythrocytes, some as short as a few hours or even a few minutes in the case of acute infection.
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Explanation:
The main function of environmental policy is to <u>reduce human impact on the environment (B).
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<h3>Further explanation
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Humans impact the environment in so many ways such as overpopulation, overfishing, pollution, and deforestation. This condition leads to many other problems: poor air and water quality, climate change, and soil erosion. Increasing population means increasing demand for consumption that may destroy the natural resources and environment.
The government or an organization creates environmental policies to regulate environmental issues and to reduce human impact on the environment. According to McCormick environmental policy is “any action deliberately taken to manage human activities to prevent, reduce, or mitigate harmful effects on nature and natural resources, and ensuring that man-made changes to the environment do not have harmful effects on humans or the environment.”
The policy regulates the use of resources and to reduce pollution to promote human welfare and protect natural resources. Some example of environmental policy, governments forbade the use of hazardous substances in agriculture or apply maximum emission levels for the industry to ensure minimum environmental quality.
<h3>Learn more
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A possible future milestone in environmental policy brainly.com/question/6839137
Turning points in environmental policy brainly.com/question/330708
Most important consideration for environmental policy brainly.com/question/1658665
Keywords: environmental policy, human impact on the environment, the function of environmental policy
Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate.
<h2>Nutrient density</h2>
Explanation:
- Nutrition is molecules in food that all living beings need to cause vitality, to develop, create, and recreate. Supplements are processed and afterward separated into fundamental parts to be utilized by the creature. There are two fundamental kinds of supplements, macronutrients, and micronutrients. The three fundamental classes of macronutrients incorporate sugar, protein, and fat. The two kinds of micronutrients are nutrients and minerals, and these are additional particles that cells need to make vitality.
- "Nutrient density" signifies the amount you get of a certain something, given the nearness of something different. On account of nutrient density, the "things" you get, the supplements, are dissected in relationship to the amount they "cost" you, regarding calories. Essentially expressed, nutrient density implies what number of supplements you get from nourishment, given the quantity of calories it contains. nutrient density is a simple method to associate supplements with calories. No nourishments are more supplement thick than entire, naturally developed food sources.
