Exploring the Skeleton System

What is the main mineral that makes bones strong and hard?

• Iron

• Calcium

• Potassium

• Sodium

Which of the following is NOT a function of the skeleton?

• Protecting internal organs

• Producing red blood cells

• Digesting food

• Supporting the body

What is the longest bone in the human body?

• Humerus

• Femur

• Tibia

• Radius

Which part of the skeleton protects the brain?

• Rib cage

• Pelvis

• Skull

• Spine

How many bones are there in an adult human skeleton?

• 206

• 300

• 150

• 250

What type of joint is found in the shoulder and hip, allowing for a wide range of movement?

• Hinge joint

• Ball and socket joint

• Pivot joint

• Fixed joint

Which bone is commonly known as the collarbone?

• Scapula

• Clavicle

• Sternum

• Patella

What is the primary function of the rib cage?

• To support the legs

• To protect the heart and lungs

• To aid in digestion

• To produce blood cells

Which bone is located in the forearm and is on the same side as the thumb?

• Ulna

• Radius

• Fibula

• Tibia

What is the name of the bone that forms the lower jaw?

• Maxilla

• Mandible

• Zygomatic

• Nasal