The body system that directly provides for this demand is the circulatory system. When you exercise, the circulatory and muscle system cooperate, in order to meet the increased needs for strength and energy. The circulatory system involves the network which delivers blood to every part of your body. This flowing of blood ensures that the tissues are oxygenated and rich in necessary nutrients. During exercise, more blood flows to and from your muscles, in order to deliver the necessary amounts of oxygen to complete the aerobic respiration.
A vaccine can help keep people healthy and protect them from a certain virus. For example people in the United States get the flu shot when they get this shot the vaccine wont magically get rid of the virus but rather help them fight it off and protect them in the future if they keep up to date getting the vaccine
we call it clay. I hope this helps you
Answer:
in a certain population of red squirrele, a mutation causes several squirrels to
be bom with darker coats. These coats make the squirrels nearly inweible
when they are foraging on the forest floor
, According to the theory of evolution by natural selection, what is likely to happen to this trait after several generations?
After several generations, this trait is likely to be much more common because individuals with the trait will have a greater chance of passing it on to their offspring,
Explanation:
It would later turn to what is termed as germline mutation which are mutations passed from parent to offspring, as time progresses the trait would be more and increases the chance of being transferred to their offspring
