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.

Explanation

• The skin is the outermost layer of the body, covering and protecting the internal organs, muscles, and skeleton.
• It acts as a barrier against external damage, infection, and disease.
• It helps to regulate body temperature, aid in the production of vitamin D, and facilitate the senses of touch and feel.

Explanation

• The skeleton provides support and protection for the human body and its internal organs. 
• It forms a framework that supports the body's muscles, organs, and tissues.
• It forms a framework that protects vital organs such as the brain, heart, and lungs.

Explanation

• The skeleton and muscles work together to support your body and move it forward.
• The skeleton provides the structural framework and support.
• The muscles contract and relax to move the bones and facilitate movement.

Explanation

• Places where two bones meet are called joints.
• Joints are the connections between bones that allow for movement, flexibility, and support.

Explanation

• The ribcage, which consists of the ribs and sternum.
• It forms a protective cage around the thoracic cavity, shielding the vital organs within, including the heart and lungs.

Explanation

• The skull is a bony structure that encloses and protects the brain.
• It is made up of 22 bones that fuse together during childhood and adolescence.
• The skull provides a hard outer layer that safeguards the delicate tissues of the brain, shielding it from injuries and damage.

Explanation

• The skeleton provides the structural framework that gives the body its shape and supports its various parts.
• It is made up of 206 bones that are connected by joints and held together by ligaments and tendons.