I believe that the cardiovascular system help in release of blood throughout the body :3
Answer: Option 'C' is correct.
Explanation:
Every cells change with ageing.
As cell age they tend to become larger and as the body ages it tends to have fewer cell dividing.
As the age of cells increases, cells become less able to divide and multiply.
Due to which when an middle aged or old aged person get wounded, their healing takes so much of time as compare to child because new cells do not develop easily in old age people. It takes time to develop new cell to heal their wound.
Hence, option 'C' is correct.
d. They can be concentrated in an organism’s fat tissues.
This is referred to as biomagnification -- the POPs become more concentrated as they move from one animal to another. This is a main concern because even trace amounts, in animals at the bottom of the food chain, can cause toxicity to animals at the top of the food chain.