You will also like...
Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..