PARTS OF AN EGG | Parts of an Egg and their Functions | Science Lesson

Описание: What are the parts of an egg?
Inner and Outer membranes – protect the egg from bacterial infiltration and loss of moisture
Shell – is made up of calcium carbonate. It is porous , allowing air and moisture to pass through.
Air cell – the space at the rounded end of the egg which function for respiration.
Chalaza – is the thick, white and rope-like strand that keeps the yolk centered.
Albumen – the white of the egg and source of protein.
Vitelline membrane – this thin membrane encases the yolk
Germinal disk – small, white spot on the yolk. This will develop into embryo.
Yolk – The yolk is high in cholesterol and contains all fat in the egg.

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