Skin, Skeletal, and Muscular Systems: the Skeleton

What is a key advantage of an endoskeleton over an exoskeleton?

• Easier to repair

• More lightweight

• Allows for greater movement and growth

• Better protection for internal organs

Which part of the human skeleton protects the brain?

• Spine

• Rib cage

• Pelvis

• Skull

What vital organs are protected by the breastbone?

• Heart and lungs

• Liver and kidneys

• Brain and spinal cord

• Stomach and intestines

How many red blood cells can the skeleton produce per second?

• 3,000,000

• 1,000,000

• 2,000,000

• 500,000

Besides red blood cells, what else does the skeleton produce?

• White blood cells

• Antibodies

• Platelets

• Plasma