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Body Systems – Semester Review 1. How many chromosomes does the male or female reproductive cell have? 23 2. Find the another name for a fertilized egg. zygote 3. Name the organs that the female reproductive cell is made in. ovaries 4. Identify the 3 types of muscles. skeletal, smooth, cardiac 5. Identify an organ that has smooth muscles. stomach, intestines 6. Identify the organ that has cardiac muscles. heart 7. What is the main purpose of the endocrine system? make hormones that regulate things like growth, sleep, sudden actions, feelings, blood sugar levels 8. What is the main function of the nervous system? direct body function 9. What is the main function of the skeletal system? provide frame, support, protection, make blood cells 10. What is the main function of our muscular system? It allows us to move 11. What is the main function of our integumentary system? covers body and prevents loss of water, protects against infection, regulates body temperature 12. What is the main function of the circulatory system and cardiovascular system? pump Oxygen rich blood throughout the body 13. Identify a major organ for the following systems. nervous system ---- brain circulatory system ---- heart respiratory system ---- lungs integumentary system ---- skin 14. How does our skeletal system work with our muscular system? muscular system is attached to skeletal system and when they contract, pull on the bones to allow us to move 15. How does our skeletal system work with our circulatory system? bone marrow in our bones make blood cells, which are sent to our circulatory system to be moved around the body carrying Oxygen 16. How does our muscular system work with our circulatory system? the heart has cardiac muscles that contract causing the heart to pump blood throughout our bodies 17. How does our nervous system work with our muscular system? whether it’s our brain or other parts of our nervous system, electric impulses are sent to the muscles which makes them contract, either causing our bones or other organs to move 18. Explain why a bone cell would be very stiff and rigid, but a red blood cell is round and flexible. bones must support weight and provide protection whereas blood cells need to fit through small areas and move around corners and twists throughout the body. 19. Which of the following systems is responsible for circulating blood throughout the body for the purpose of transferring oxygen to all the cells? a. respiratory b. cardiovascular c. skeletal d. muscular 20. What are the following systems responsible for? 1. Digestive system – breaking down food and nutrients 2. Muscular system – assisting the body in movement by attaching to the skeletal system and pulling on it 3. Cardiovascular system – pump blood throughout the body 4. Nervous system – to send and receive signals allowing the body to communicate with its environment and the environment to communicate with the body Carbohydrates glucose glucose Proteins glucose Amino Acids Amino Acids Fats Fatty Acids Glycerol
