The three types of cloning are recombinant DNA technology (DNA cloning or gene cloning), reproductive cloning, and therapeutic cloning. A wide range of biological materials, such as genes, cells, and organisms have been cloned. Cloning has raised many ethical concerns.
AN EPIDEMIC is a disease that affects a large number of people within a community, population, or region. example coronavirus .
Most of the oxygen exiting the blood and entering the tissues does so from the capillaries.
Answer: Option D
<u>Explanation:</u>
The circulatory system consists of the heart, arteries, veins and capillaries. An artery is the one which carry blood from the heart to the organs. A vein is the one which carry blood from the organ to the heart.
A capillary is the smallest blood vessel which helps connect the functions of arteries and veins in the body. The capillaries are the narrow tubes which allow diffusion of Oxygen into and from the tissues. It’s prior function is to drop Oxygen in a tissue and collect the Carbon dioxide from the tissue.