Explanation

• Inheritance refers to the passing down of traits or characteristics from parents to their offspring through the transmission of genetic information.
• This occurs through the transmission of DNA from one generation to the next.

Explanation

The skeleton provides a framework that supports and protects internal organs, such as:

• The skull protects the brain
• The ribcage protects the heart and lungs
• The spine protects the spinal cord
• The pelvis protects the reproductive organs

Explanation

• The word "science" is derived from the Latin word "scientia," which means "knowledge" or "knowing."
• This Latin word is itself derived from the verb "scire," which means "to know."

Explanation

• The word "science" is derived from the Latin word "scientia," which means "knowledge" or "knowing."
• This Latin word is itself derived from the verb "scire," which means "to know."

Explanation

• The skin is the body's first line of defense against external pathogens, such as harmful germs and diseases.
• It acts as a physical barrier, preventing them from entering the body and causing infection or illness.

Explanation

Teeth perform two main functions:

• Chewing (breaking down food into smaller pieces).
• Grinding (crushing and pulverizing food).

Explanation

Permanent teeth are also known as:

• Adult teeth
• Secondary teeth

Explanation

Primary teeth are also known as:

• Baby teeth
• Milky teeth
• Deciduous teeth

Explanation

The skin is sensitive to:

• Temperature (hot and cold)
• Touch (light and heavy pressure)
• Pressure (firm and gentle)
• Pain (sharp and dull)

Explanation

• The skin is the largest organ of the body, covering the entire surface of the body. 
• It has a total area of about 22 square feet (2 square meters).
• It weighs around 6 pounds (2.7 kilograms) in adults.