Choose the letter of the correct pair of body systems that will make the sentence correct. Write your answer on your answer sheet. 1. The system holds the body together, gives shape, and provide anchor points for the system A. skeletal - muscular C. muscular - skeletal B. skeletal - digestive D. muscular-respiratory 2. The system filters waste from the blood and then sends it through the blood vessels, a part of the system, in the form of urine. A. urinary - nervous c. muscular - respiratory B. urinary - digestive D. circulatory - urinary 3. When the system feels danger the message is automatically sent to the system to command the other systems of the body. A. integumentary-urinary C. circulatory - nervous B. integumentary - nervous D. circulatory - digestive 4. When the feel cold it sends messages to the brain to signal the system to expand to allows more blood to flow in the body. A. integumentary - urinary C. digestive - respiratory B. integumentary - circulatory D. digestive - skeletal 5. The system breaks down food and absorbs nutrients through the bloodstream with the help of system. A.digestive-nervous B.digestive-urinary C.digestive-circulatory D.digestive-respiratory