Search over 10,000 free study notes

Digestion is the process of breaking down the big molecules of food that we eat, into smaller molecules that the body can absorb and use. To help break down the food, we need enzymes, which the body produ...

The reason for this is due to the process of Meiosis involving an additional cell division step.Mitosis involves 1 cell, which replicates it's DNA resulting in there being 2 'full sets' of chromosomes con...

The lungs are specifically adapted for gas exchange (diffusion) - meaning the lungs allow oxygen into the blood stream and carbon dioxide out. To ensure our cells can respire properly, we want fast and ef...

Meiosis is the process whereby gametes (sex cells), the ova in females and the sperm in males are produced. This occurs when the chromosomes (which there are two sets of in a body cell) are replicated, pr...

An increase in muscular activity increases the rate of aerobic respiration. As a result, more carbon dioxide is formed in the Krebs cycle and the pH is lowered. This reduction in pH is detected by chemore...