Help me think of some multiple-choice and fill-in-the-blank questions for a quiz I'm giving my students on the human skeleton. Give me at least 5 ideas and include the actual answer for each.
1. How many bones is the human skeleton composed of at birth? Answer: 270
2. What percentage of total body weight does the bone mass of the skeleton make up? Answer: 14%
3. The human skeleton performs six major functions: support, movement, protection, blood cell production, mineral storage, and _____. Answer: endocrine regulation
4. Which skeletal disorder is characterized by reduced bone mineral density? Answer: osteoporosis
5. The skeleton is the site of _____, which is the growth of blood cells in the bone marrow. Answer: hematopoiesis