मानव शरीर के अंगों के नाम

易學人體部位在人體部位的英文名稱

Our bodies consist of a number of biological systems that carry out specific functions necessary for everyday living. For children we should learn them basic parts of our body to make them know about more .

Functions of nose

The two openings in the nose care called nostrils, or napes. They lead to two nasal cavities that are separated by the septum, a wall of cartilage. Inside the face is an intricate system of canals and pockets of air called sinus cavities. Sinus cavities span all the way to the back of the skull, right above the oral cavity, within the cheekbones and between the eyes and brows. All of these areas are responsible, at least in part, for breathing, smelling, tasting and immune system defense.

Functions of eyes

The eye has many parts that must work together to produce clear vision:

The sclera, or white part of the eye, protects the eyeball.

The pupil, or black dot at the centre of the eye, is a hole through which light can enter the eye.

The iris, or coloured part of the eye, surrounds the pupil. It controls how much light enters the eye by changing the size of the pupil.

The cornea, a clear window at the front of the eye, covers the iris and the pupil.

A clear lens, located behind the pupil, acts like a camera lens by focusing light onto the retina at the back of the eye.

The retina is a light-sensitive inner lining at the back of the eye. Ten different layers of cells work together in the retina to detect light and turn it into electrical impulses.

And many more

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