Answer:
b. Fetal Hb binds oxygen more tightly than adult Hb.
Explanation:
This is because Fetal Hb needs to draw oxygen more efficiently from the blood stream of mother which is a very difficult task. The more affinity binds the oxygen from the blood stream that is already bonded with Hb of mother This is the main reasons it has higher affinity than that of an adult Hb.
Additionally, speaking of myoglobin. A myoglobin always has more affinity to bind oxygen that that of a haemoglobin molecule.
Answer:
A: fairly precise but not accurate
Explanation:
i took the test on edgenuity and got a 100%
hope this helps
True. Inflammation can result when fecal matter gets trapped inside openings in the diverticula. Various types of obstruction can also block the pouches' openings. This would reduce blood supply, causing inflammation.
Answer:
They increase the levels of catecholamines—a family of brain chemicals that includes dopamine.
Explanation:
Stimulants are a class of drugs that “stimulate” the body's central nervous system, which includes the brain and spinal cord. They increase the levels of catecholamines—a family of brain chemicals that includes dopamine. These chemicals are used in the brain processes to signal reward and motivation.
