Structure of the human respiratory system
The human respiratory system consists of the nose, the pharynx, the trachea, two bronchi, and two lungs, It is called also the respiratory apparatus, the ventilatory system and it is used for the process...
The human respiratory system consists of the nose, the pharynx, the trachea, two bronchi, and two lungs, It is called also the respiratory apparatus, the ventilatory system and it is used for the process...
We can not live without the air, It contains oxygen gas which burns the small particles of the digested food to produce energy, carbon dioxide gas and water vapor and this process is called...
The large intestine is a tube that starts from the end of the small intestine and ends with the anus which is located at the end of the rectum, It is shorter than the...
The small intestine The functions of the small intestine are completing the digestion of the different types of food and the absorption of the digested food, The small intestine is composed of three structural...