Entry-level jobs give the experience needed to gain a higher level job, and also helps those who are in higher levels jobs, successfully complete their jobs, because they do not have to complete the tasks assigned to those with lower-level jobs.
After the macrophage fails the Helper T Cell stimulates the B cells (create antibodies) if pathogen is extracellular and Cytotoxic T Cells (killer T cells, release perforin) if pathogen is intracellular. Once the pathogen is killed the B Cells create Memory B Cells and the Killer T Cells create memory T Cells.
Explanation:
Other exercises that can help improve cardiorespiratory fitness include:
1.running and walking
2. dancing.
3. jump rope.
4. Sports
Note: It is important to exercise to stay fit, heathly, and strong which can also keep you living longer and can keep cancer away for a long time.
The correct answer is: B.calcium -rich
