SCIENCE-Chapter 15 (Physical Fitness)

Name: (FIRST NAME, MIDDLE INITIAL, LAST NAME)

What is the primary function of calcium in bones?

• Secreting collagen fibers
• Making bones hard
• Transporting oxygen
• Maintaining flexibility

What do blood vessels and nerves do in bones?

• Carry nutrients away from bone cells
• Bring wastes to bone cells
• Bring nutrients to bone cells and remove wastes
• Provide oxygen to bone cells

What does marrow produce?

• Calcium
• Blood cells
• Nerve
• Cartilage

Which of the following is NOT a function of bones?

• Allow movement
• Support the body
• Protect internal organs
• Breathe

How many bones make up the human skeleton?

• 180
• 206
• 220
• 256

What are the types of joints in the backbone called?

• Fixed joints
• Hinge joints
• Pivot joints
• Semi-movable joints

What type of joint allows the most movement?

• Fixed joint
• Saddle joint
• Movable joint
• Pivot joint

What holds bones together at movable joints?

• Ligaments
• Tendons
• Cartilage
• Semi bones

What are the five basic types of movable joints?

• Hinge, ball-and-socket, pivot, gliding, saddle
• Pivot, gliding, saddle, ball-and-socket, hinge
• Ball-and-socket, pivot, saddle, gliding, hinge
• Gliding, ball-and-socket, hinge, saddle, pivot