sex animation

+ in the body and elimination of K + from the body. Glucocorticoids such as cortisol regulate the metabolism of carbohydrates, proteins and fats. Sex corticoids develop external male sex characters. Failure of corticosteroid secretion causes Addisons disease. Over secretion c..

This is a reproductive variation found in tapeworms and earthworms. In such animals, both the male and the female reproductive organs are present in the same individual. As both the sex organs are present in the same animal, some may undergo self-fertilisation and some..

Cell division is a method by which new cells are originated from pre-existing cells. The formation of daughter amoebae in amoeba, the development of sex cells and the growth of a young animal or plant into an adult, all involve cell multiplicatio..

The human beings are bisexual with two separate sexes - male and female. The individuals of the two sexes show distinctive features called the secondary sexual characteristics . Some of the male secondary sexual characteristics are facial hair, cracking of voice, etc. female sec..

Human Reproductive System - The human beings are bisexual with two separate sexes - male and female. The individuals of the two sexes show distinctive features called the secondary sexual characteristics . Some of the male secondary sexual characteristics are facial hair, cracki..

Here an individual (referred as sender) release some specific chemicals called pheromones in air, which initiates response in other members of same species. The pheromones may act as location indicators, territory markers, sex attractants etc. For e.g., During breeding season females of..

Types of Cell Division - Cell division is a method by which new cells are originated from pre-existing cells. The formation of daughter amoebae in amoeba, the development of sex cells and the growth of a young animal or plant into an adult, all involve cell multiplication. In or..

Types of Cell Division - Cell division is a method by which new cells are originated from pre-existing cells. The formation of daughter amoebae in amoeba, the development of sex cells and the growth of a young animal or plant into an adult, all involve cell multiplication. In or..

Inheritance in man conforms to the same genetic principles, which govern inheritance in other animals and in plants. About 200 traits are transmitted from generation to generation in humans. These are called hereditary traits. These include dominant as well as recessive traits. Many human..

Purpose of reproduction leads to the formation of groups of individuals, called a family, which is an instinct of individuals of different sexes of a species. However, grouping behaviour varies from one species to another. i) Some animals are solitary and lead more an independe..