• Back – The human back is the large posterior area of the human body, rising from the top of the buttocks to the back of the neck and the shoulders. It is the surface of the body opposite from the chest. The vertebral column runs … See more

• Ear – is the organ of hearing and, in mammals, balance. In mammals, the ear is usually described as having three parts—the See more

• Gallbladder – In vertebrates, the gallbladder is a small hollow organ where bile is stored and concentrated before it is released into the See more

• Calcium – Calcium ions (Ca ) contribute to the physiology and biochemistry of organisms and the cell. They play an important role in See more

• Decompression sickness – is a condition caused by inert gas bubbles forming in supersaturated tissues after a reduction in ambient pressure, … See more

• Face – is the front of an animal's head that features three of the head's sense organs, the eyes, nose, and mouth, and through which animals express many of their See more

• Hand – A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates. The human hand normally has five digits: four fingers plus one thumb; these are often referred to collectively as five fingers, however, whereby … See more