The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial will help you understand the chemical composition of the body. This will come in handy when considering the various interactions between cells and structures. ..
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photophosphorylation, chemiosmosis, carbon fixing reactions, respiration, are presented in this tutorial...
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and then transferred to the internal environment by absorption. Find out more about these processes carried out by the gastrointestinal system through this tutorial...
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an overview of the different carbohydrates and fats the body needs, read this tutorial...
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good diet will be one consisting of the right amounts of nutritive compounds. Get to know the different nutritional requirements of the body through this tutorial...
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designed to produce them. This tutorial looks at how genes control the production of hormones within the endocrine system of animals...