How nutrients get in, and wastes get out.

Science 10 Assignment -- Part B How Nutrients get in, and wastes out. In a human being, nutrients are necessary for survival. But how are these nutrients obtained? This report will go into depth on how the food we eat gets into our cells, and how the waste products that we produce get out of the body. Also, the unicellular organism Paramecium will be compared with a human being, in terms of all of the above …

…The hormones controlling the digestive and excretory systems are located some distance away from the cells that they have to control, therefore some method of transport must be utilized. This method is the bloodstream. The hormonal glands secrete their hormones into the bloodstream. These hormones then travel to the target organ or cell, and regulate the activity of that organ or cell. This system is slower to respond than the nervous system. By Faisal Premji