Bones and Muscles

Front

What is a vertebrate?

Back

A vertebrate is an animal that has a backbone or spinal column.

Front

What is a fracture?

Back

A fracture is a break in a bone.

Front

What do the ribs protect?

Back

The ribs protect the lungs and heart.

Front

What happens to the biceps when you lift something heavy?

Back

The biceps contract to lift the object.

Front

What is the main function of bones?

Back

The main function of bones is to support the body and protect vital organs.

Front

What are muscles?

Back

Muscles are tissues in the body that can contract and relax to produce movement.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are controlled consciously (like arm muscles), while involuntary muscles work automatically (like heart muscles).

Front

What is the skeletal system?

Back

The skeletal system is the framework of bones that supports the body.

Front

How many bones are in an adult human body?

Back

An adult human body has 206 bones.

Front

What is the role of cartilage?

Back

Cartilage is a flexible tissue that cushions joints and supports structures.