human heart muscle has many more mitochondria than the muscle which moves your body parts. suggest a reason for this observation.

The process by which natural forces move weathered rock and soil brim one place to another is called

Dna replication or repair occurs in a cell in all of thw following situations except when

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.