external body parts diagram of human body

The rat is a typical mammal. It is a nocturnal, household pest. It is normally found living in crevices and burrows. The rat has an elongated body which can be distinguished into a head, a trunk and tail. The body has an exoskeleton formed by a covering of the hairs. It is calle..

The closed circulatory system can be represented as follows. Diagram showing inter-relationship between artery, vein and capillary The closed blood vascular system is a very well developed system This is so because, a) The organisms have a thick body wall to prevent the evaporat..

Introduction - Health is considered to be the state of perfect functioning of body and mind, unhindered by diseases. Disease is the malfunctioning of the organism or part of it due to infection, inherent weakness or environmental stress, that upsets the normal physiological func..

Introduction - Health is considered to be the state of perfect functioning of body and mind, unhindered by diseases. Disease is the malfunctioning of the organism or part of it due to infection, inherent weakness or environmental stress, that upsets the normal physiological func..

Functions - The nervous system carries out the following functions i) It perceives the changes around us through our senses. ii) It controls and coordinates all the activities of the muscles in response to the changes outside. iii) It also maintains the internal environment of the body by..

Human Reproductive System - In human beings, sexual reproduction takes place. Sexes are separate and hence they are known to exhibit sexual dimporphism. Males have sex organs called the tetes while the females have sex organs called the ovaries. Even in the external ap..

Nervous Control in Human Beings - Nervous System - The nervous system carries out the following functions: It perceives the changes around us through our senses It controls and coordinates all the activities of the muscles in response to the changes outside It also maintains the internal ..

It stores the previous experiences as memory that helps us to think and analyse our reactions.It conducts messages between different parts of the body..

The nervous system carries out the following functions: It perceives the changes around us through our senses It controls and coordinates all the activities of the muscles in response to the changes outside It also maintains the internal environment of the body by coordinating th..

Patterns of Growth - Two patterns of growth are commonly seen in animals regarding the proportion of the various body parts. Isometric growth: In this growth pattern, an organ grows at the same rate as the rest of the body. As the organism growths, the size remains pro..