Gametes are sex cells. The male gametes are the sperm, and the female gametes are the eggs. Gametes contain one set of genetic information, while body cells contain two sets of genetic information. Fertilisation is the joining or fusion of a male gamete and a female gamete. The new cell that is formed divides over and over again by mitosis. This creates the many cells that eventually form a new individual.
Click to read more below. Weighing in at around 3 pounds, the liver is the bodyâs second largest organ; only the skin is larger and heavier. The liver performs many essential functions related to digestion, metabolism, immunity, and the storage of nutrients within the body. These functions make the liver a vital organ without which the tissues of the body would quickly die from lack of energy and nutrients.
The 11 major organ systems and their main functions are: 1)The integumentary system supports and protects, regulates body temperature, makes chemicals and hormones, and acts â¦ as a sense organ.he HEART pumps blood round the body and to the Brain-(which is actually a muscle), which controls all motor functions and thought. Also LIVER filters any foreign bodies in th â¦ e main bloodstream. There are several more important organs, kidneys etc. but these are the main ones. 2 people found this useful.