Answer:
The blood circulatory system delivers nutrients and oxygen.
Explanation:
Answer: medulla of the brain
The medulla of our brain is the control center of our heart rate. It either slows or speeds the heart beats per minute. If the medulla of the brain is not working correctly, our heart rate is also not being controlled correctly. We would not be able to live without the medulla. It helps in regulating blood pressure, breathing and transfer of neural messages from the brain to the spinal cord.
Answer:
barter trade
Explanation:
because you exchange goods
<span>No, they are not because the alleles at a gene on the pair of homologous chromosomes contributed by both parents may be different. One pair of homologous chromosomes comes from the father while the other pair comes from the mother. A pair of homologous chromosomes contains one maternal and one paternal chromosome that pair up with each other during meiosis. When a parent cell divides into two or more daughter cells; each daughter cells obtain one half of the duplicated set of chromosomes which may or may not. During meiosis the alleles at a gene may or may not be the same producing different phenotypes.</span>
The answer youre looking for is A