Endocrine system is the second system after the nervous system that controls the body functions, So, all the body functions are under the nervous and hormonal control, Endocrine glands are ductless glands that secrete...
The human body contains a system that is responsible for the extraction of oxygen from the air and then transfers it to the blood, then to the cells of the body, this system is...
Animal tissues Animal tissues can be differentiated into basic types , each of them matches with the function it performs , such as Epithelial tissues , Connective tissues , Muscular tissues and nervous tissues...
The human body is composed of many systems integrate together forming the body of the living organism, such as the circulatory, nervous, digestive, respiratory, excretory, and reproductive systems.
