There are three kinds of blood vessels: arteries, veins, and capillaries. Each of these plays a very specific role in the circulation process. Arteries carry oxygenated blood away from the heart. They're tough on the outside but they contain a smooth interior layer of epithelial cells that allows blood to flow easily.
<span>to ensure that Jacob’s family would not perish during the famine.</span>
Answer:
The composition of population means the distribution of the number of the population according to characteristics such as age,sex,marital status, socioeconomic status. it also helps us know how much food needs to be grown to feed everyone
Explanation: