The blood vascular system that circulates blood throughout the body is termed the systematic circuit. The systemic circuit is the part of the circulatory system that carries blood away from heart, delivers it to most of the body organs and tissues, and returns it to the heart again. It is distinct from the pulmonary circuit, which only conducts blood between the heart and the lungs.
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The entire process is nutrition cycle but more precisely assimilation
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Answer:
The conservation of endangered species is important for humans as well. A well-balanced ecosystem purifies the environment, giving us clean air to breathe, a healthy water system to support diverse marine life, and arable land for agricultural production.
Explanation:
The health of an ecosystem is maintained by its plants and animals. When species become endangered, it is a sign of an ecosystem's imbalance. This balance is difficult to maintain: the loss of one species often triggers the loss of others. ... By saving endangered species, we are ultimately saving ourselves.
Answer:
PCBs and DDT are chemicals that were banned more than 30 years ago, but our air, water, land, and bodies are so contaminated that decades of cleanup efforts have yet to eliminate their threats to our health. Today, food is one of the most likely exposure routes to PCBs.
