BIOL201 Week 1 Quiz 1 Questions and Answers American Public University

1. Question: Hydrogen, oxygen, carbon, nitrogen, calcium, and iron are all examples of what? 2. Question: Which organ system is responsible for enclosing internal body structures and is the site of many sensory receptors? 3. Question: Which organ system is responsible for secreting hormones and regulating bodily processes? 4. Question: What is the metabolic process whereby smaller, simpler molecules are combined in to larger, more complex substances? 5. Question: Which organ system is responsible for detecting and processing sensory information and activating bodily responses? 6. Question: Whatisthestudyofthelargerstructuresofthebody,visibleWITHOUTtheaid of magnification? 7. Question: Water makes up approximately what percentage of an adult's body mass? 8. Question: The state of steady internal conditions maintained by living things is called this. 9. Question: What percentage of atmospheric air is composed of oxygen? 10. Question: This is the highest level of organization and can independently perform all the physiologic functions necessary for life. 11. Question: A group of many similar cells that work together to perform a specific function is referred to as this level of organization. 12. Question: What is the metabolic process by which larger, more complex substances are broken down into smaller, simpler molecules? 13. Question: Which physiological response is due to a" positive feedback loop"? 14. Question: What is human anatomy? 15. Question: Which organ system is responsible for removing carbon dioxide from the body and delivering oxygen to blood? 16. Question: Which organ system is responsible for enabling movement and help in to maintain body temperature? 17. Question: Which function of human life deals with the ability of an organ is to adjust to change sinits internal and external environments? 18. Question: What is the most critical nutrient for the human body? 19. Question: Which is NOT one of the functions of human life? 20. Question: How many distinct levels of organization are there in the human body?