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Showing posts with label introductions to human anatomy. Show all posts

Urinary System

The urinary tract (also called the excretory system) consists of the parts of the body that makes, stores and excretes urine. Urine contai...

People use their teeth to bite and chew food - they are the first step in the digestion of food. The long, sharp canine teeth tear up food...

The skin is an organ that forms a protective barrier against germs (and other organisms) and keeps the inside of your body inside your bod...

The human skeleton consists of 206 bones. We are actually born with more bones (about 300), but many fuse together as a child grows up. Th...

The heart is a fist-sized, muscular organ that pumps blood through the body. Oxygen-poor blood enters the right atrium of the heart (via ...

Our eyes are organs that let us see. Eyes detect both brightness and color. Having two eyes separated on our face enables us to have depth...

Sound is collected by the pinna (the visible part of the ear) and directed through the outer ear canal. The sound makes the eardrum vibrat...

THE FUNCTIONS OF THE BRAIN The human brain is a complex organ that allows us to think, move, feel, see, hear, taste, and smell. It controls...

bronchial tree - the system of airways within the lungs, which bring air from the trachea to the lung's tiny air sacs (alveoli)....

The human digestive system is a complex series of organs and glands that processes food. In order to use the food we eat, our body has to ...