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...
Nutrition is one of the characteristics from which the living organism obtains the energy required for all the vital processes of the body , Nutrition is the scientific study of food and various modes...
The transmission of juice from the root to the other parts of the plant The water and the mineral salts (juice) are transmitted from the root to other parts of the plant to use...
The structure of the root hairs The root hairs extend from the epidermis cells of the root, they are lined from inside with a thin layer of cytoplasm, and each root hair has a...
