There are five digestive juices; saliva, gastric juice, pancreatic juice, succus entericus (intestinal juice) and bile. The necessity for so many digestive juices is that -(a) One juice does not contain all the enzymes necessary for digesting all the different types of foodstuffs. For instance, saliva contains only carbohydrate-splitting enzymes; whereas gastric juice contains both fat- and protein -splitting enzymes [...]
In this article we will discuss about the functions of male and female reproductive organs, explained with the help of suitable diagrams. Male Reproductive Organs: Sperms are produced in the testes. The testes are two oval bodies and are suspended in a sac hanging from the lower wall of the abdomen, the scrotum. Each testis is composed of coiled anastomosing [...]
In this article we will discuss about the Smell Receptors and Taste Receptors. The receptors for taste and smell are classified as chemoreceptors as these respond to special chemicals in aqueous solution. In each case, the chemicals must go into solution in the film of liquid coating the membranes of the receptor cells before these can be detected. The taste [...]