Answer:
Yes.
Explanation:
Yes, the structures and functions of the central nervous system work to help prevent injuries with the help of bone. The main line of defense of central nervous system is the bones of the skull and spinal column, which create a hard physical barrier to injury. If these line of defense are not present for central nervous system so it has more chances to get injury so we can say that the structures and functions of the nervous system helps to prevent injuries.
It is the light that coming from the sun
Answer:
II, III, IV, I
Explanation:
Blood pressure regulation is an example of negative feedback mechanism. When the blood pressure is low, sensor in the blood vessels called baroreceptors detect this and send a signal to the control center which is the hypothalamus.
The hypothalamus compares the current blood pressure with the normal and proceeds to send signals to the heart, as well as blood vessels and kidneys. The heart begins to beat faster, thereby increasing the heart rate and a a result, blood pressure goes back up to normal.
Answer:
Culture help shaped the medical and lifestyle of a people living in the community. It also helped create machinery to lessen the work load of people. Science helps create changes and improves the life of the people living in the community. Science was able to help lower the death rate in nomadic times, they created medicine, introduce agriculture and more.
Explanation:
<span> </span>A high metabolic
rate means that the cells in the tissue will needs a high rate of gas exchange
as the cells will be producing a high amount of CO2 during production of energy. The dense network of capillaries ensure that
the cells are adequately provided with oxygen.