Health screenings are important measures in:

The reason why health screenings are important as it measures secondary prevention in which is a way of having to detect diseases and in order for it to be treated earlier, for these health screening test has the ability of finding the disease in an individual and making any means possible of treating it in an early stage.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

answer: b

coz red blood cells marrow and circulates the body for 120 days.