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

Summary

This video educates viewers about the different parts of an egg, highlighting the functions of each component. It explains the role of the shell membrane in protecting the egg, the shell's calcium carbonate structure, and the air cell’s function in respiration. The yolk, rich in cholesterol and fat, is also discussed, along with the germinal disc, which can develop into an embryo. The video further covers the calaissa that centers the yolk, the thick and thin albumin providing protein, and the protective membrane encasing the yolk.

Takeaways

• 😀 The shell membrane protects the egg from bacterial infiltration and moisture loss.
• 😀 The shell is made up of calcium carbonate and provides structural support to the egg.
• 😀 The air cell is located at the rounded end of the egg and helps with respiration.
• 😀 The germinal disc is a small white spot on the yolk that will develop into an embryo.
• 😀 The yolk is high in cholesterol and contains all the fat in the egg.
• 😀 The thick, rope-like strand called the chalaza keeps the yolk centered in the egg.
• 😀 The thick albumin (egg white) surrounds the yolk and provides protein.
• 😀 The thin albumin is the watery part of the egg white and also provides protein.
• 😀 The vitelline membrane is the thin membrane that encases the yolk.
• 😀 The egg has different layers that work together to protect the contents and support development.

Q & A

What is the function of the shell membrane in an egg?

The shell membrane protects the egg from bacterial infiltration and prevents the loss of moisture.

What is the composition of the egg shell?

The egg shell is made up of calcium carbonate.

What role does the air cell in an egg play?

The air cell, located at the rounded end of the egg, functions in respiration.

What is the germinal disc on the yolk of an egg?

The germinal disc is a small white spot on the yolk that will develop into an embryo.

What are the key characteristics of the yolk?

The yolk is high in cholesterol and contains all the fat in the egg.

What is the calaissa, and what is its purpose?

The calaissa is a thick, rope-like strand that keeps the yolk centered within the egg.

What is the difference between thick and thin albumin?

The thick albumin is the egg white, while the thin albumin is the watery part outside the thick albumin. Both are important sources of protein.

What is the function of the albumin in an egg?

Albumin is the source of protein in an egg. It is divided into thick and thin parts, with the thick albumin providing more structure.

What is the role of the right-align membrane in an egg?

The right-align membrane is a thin membrane that encases the yolk, helping to protect it.

How does the egg shell membrane contribute to the egg's protection?

The egg shell membrane acts as a barrier, preventing bacterial contamination and reducing moisture loss.