1) Which of the following is NOT a function of the skeletal system? a) Regulating body temperature b) Providing support and structure c) Producing red blood cells 2) What is the hardest substance in the human body? a) Cartilage b) Bone c) Ligament 3) Which type of joint allows for the most movement? a) Hinge joint b) Ball-and-socket joint c) Pivot joint 4) Which bone protects the brain? a) Rib b) Vertebrae c) Skull 5) What is the purpose of cartilage in the skeletal system? a) To provide cushioning between bones b) To produce red blood cells c) To store minerals like calcium 6) Which bone is commonly known as the collarbone? a) Scapula b) Clavicle c) Humerus 7) Which type of joint allows for back-and-forth movement? a) Ball-and-socket joint b) Pivot joint c) Hinge joint 8) How many bones are in the human body? a) 100 b) 206 c) 300 9) Which bone is the longest bone in the human body? a) Femur b) Tibia c) Fibula 10) What is the purpose of the spine in the skeletal system? a) To protect the heart b) To provide support for the head c) To protect the spinal cord

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