Thursday, October 15, 2009

nervous system

The nervous system is a network of specialized cells that communicate information about an organism's surroundings and itself. It processes this information and causes reactions in other parts of the body

if i were to explain nervous system it is divided broadly into two categories: the peripheral nervous system and the central nervous system. Neurons generate and conduct impulses between and within the two systems

cecil the reporter explain the topic clearly but it would have been better if she shows illustrations of the body!

Thursday, October 8, 2009

Integumentary system


The integumentary system is the organ system that protects the body from damage, comprising the skin .

if i were to explain integumentary system to others. it may serve to waterproof, cushion and protect the deeper tissues, excrete wastes, regulate temperature and is the attachment site for sensory receptors to detect pain, sensation, pressure and temperature. In humans the integumentary system additionally provides vitamin D.

The reporter explain the integumentary system clearly but the report would have been better if she uses different illustrations of the integumentary system.