Basically, because it controls it. It sends all the signals to everything and tells them what to do. Without the brain, nothing would happen, and you would die.
Hope this helps.<span>
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The process of cell division whereby the chromosomes are duplicated and distributed equally to the daughter cells is called mitosis. The cells stretch out when you get a wound and explode, that is why you have blood but then when more cells are formed it gets tightly together and closes up the wound in which then separates to make more cells.
Answer:
Patterns can occur within one species of organism or across many species. Students who understand the concepts can: Use graphs, charts, and images to identify patterns within the fossil record. Analyze and interpret data within the fossil record to determine similarities and differences in findings.
Explanation:
Answer:
The body naturally responds by rejecting the new organ because it is identified as a foreign object. Doctors use tissue typing to measure the compatibility of the antigens in the organ to that of the recipient. Another way doctors make sure the organs are accepted is through immunosuppressants that make the immune system does not attack the organ.
Explanation:
must include:
body rejects transplants because it recognizes them as foreign
lymphocytes attack the new organ
tissue typing measures antigens on tissue donor organ for compatibility
immunosuppressants disrupt the replication process of lymphocytes that produce antibodies and makes the immune system less effective
