The correct answer is T helper cells. <span>T helper cells are important because they have the ability to stimulate other cells to kill the foreign particles (viruses, bacteria, fungi, parasites).T helper cells help other cells in the immune response by recognizing foreign antigens and by secreting cytokines that then activate T and B cells.</span>
Muscle Cells are known to have the greatest number of mitochondria.
It would be the vital capacity
Photosynthesis is an example of how people and plants are dependent on each other.
