Skeletal System 3rd Grade

Which of the following is NOT a function of the skeletal system?

• Protect internal organs
• provide structure and support
• remove waste
• help allow movement

The substance inside of bones that make blood cells is called...

• ligaments
• tendons
• bone marrow
• compact bone

Tags

NGSS.MS-LS1-3

This bone protects the brain from injury

• rib cage
• cranium
• femur
• mandible

These bones protects internal organs such as the lungs and heart from injury

• humerus
• rib cage
• carpals
• tibia

A type of tissue that attaches muscle to bone

• ligaments
• tendons
• cartilage
• joint

Any place where two or more bones meet is called a

• ligament
• bone
• joint
• cartilage

Who has more bones?

• baby
• adult
• its the same

An adult human skeleton has ______ bones

• 250
• 306
• 206
• 1004

The red bone in the picture is called the...

• sternum
• clavicle
• phalanges
• humerus

The biggest bone in the body is the 

• cranium
• rib cage
• femur
• humerus