Which would most likely contribute to better digestion and respiration?

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.

During convection, less dense fluid rises and denser fluid sinks.