The correct answer is helper T cells.
<span>The helper T cells are one of the main cells of the adaptive immune system. Their role is to help the activity of other immune cells by releasing T cell cytokines and they are required for almost all adaptive immune responses. The helper T cells activate B cells to secrete antibodies, stimulate macrophages to destroy ingested pathogens, and help in activation of cytotoxic T cells to kill infected target cells.</span>
The kidneys are the organs responsible for filtering the body from excess materials like salts and other by-products that can be found from ingesting food and medicines. Without the functions of the kidneys the body will get poisoned because it can't process such waste and bring it to the excretory system in the form of urine and feces.
The dialysis machine acts out as kidneys in the body, when it is attached, blood is transfused into the machine and the machine filters the blood. As this happens, the blood is then returned to body clean and free from toxins.
D. all of these
Explanation:
All of the provide option clearly denotes how matter are transferred between organisms.
Based on the amount of available matter the earth is conserved. Matter is only transferred and transformed as it goes between organisms and the environment.
- Plants obtain their nutrients from the soil and they use them for various life processes. Thus, matter is exchanged between the physical environment and living organisms.
- Matter is also transferred from one living organism to another. Plants are consumed animals.
- When living organism decay, their matter are released back into the physical environment.
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Answer:
Ventilation is the movement of a volume of gas into and out of the lungs. Respiration is the exchange of oxygen and carbon dioxide across a membrane either in the lungs or at the cellular level.
Explanation:
