Skeletal system part 2 Grade 9H

How many bones does an adult human have?

______ bones.

What is the largest bone in the body?

• Humerus

• Tibia

• Femur

It supports the structure of the face and provides a protective cavity for the brain.

• skull

• vertebrae

• ulna

An arrangement of bones attached to the back bone that protects the heart and lungs.

• skull

• rib cage

• pelvic bone

What is the smallest bone in the body?

• stirrup / ossicles / stapes

• Femur

• clavicle

It is a connective tissue found in many areas of the body. It is a firm tissue but is softer and much more flexible than bone.

• Joint

• cartilage

• muscle

It is also known as the shoulder bone.

• Pelvic bone

• clavicle

• backbone

What is the main function of the skeletal system?

• It breaks down food.

• It is responsible for breathing.

• It provides structure to the body.

Where are blood cells made?

• pancreas

• stomach

• bone marrow

Which part of the skeleton protects the lungs?

• Femur

• Rib cage

• skull