Human Body

Muscle is a type of soft tissue found in all animals. Muscle cells contain actin and myosin protein filaments that…

We use our mouths and teeth every time we smile, frown, talk or eat. Our mouths and teeth allow us…

The lungs are pair of spongy, air-filled organs that are situated on either side of the chest (thorax). The trachea…

The liver is the biggest solid organ and the biggest gland in the human body. About 500 essential functions are…

Kidneys can be thought of as a body filtering system. The kidneys are a pair of organs located in the…

The human heart is an integral organ that circulates blood all over the body, supplying nutrients and oxygen to tissues…

Hair is a protein filament that grows from dermal follicles. It is one of the distinguishing features of mammal species.…

The eyes are visual system organs. They give us vision, as well as the ability to receive and process visual…

The human brain is the most complex organ in our body. This jelly-like mass of tissue, weighing about 1.4 kilograms,…

Bones are made up of a framework of collagen, protein, calcium, and phosphate; these minerals make the framework or skeleton…