1) Which System is the first protection the body has from the outside word? a) Circulatory b) Skeletal c) Integumentary 2) Which of the following sentences is right? a) The body systems work on their own. b) The body systems work together. c) The body systems don´t work in a team. 3) The nervous system sends and receives ... a) messages. b) kisses. c) nerves. 4) What does the blood transport from all the body to the heart ? a) Nutrients and oxygen. b) Carbon dioxide. c) Apple juice. 5) What does the blood transport from the heart to all the body? a) Nutrients and oxygen. b) Carbon dioxide. c) Meat and chips. 6) What system do lungs belong to? a) Integumentary. b) Circulatory. c) Respiratory. 7) One of the following organs doesn´t belong to the digestive system: a) Salivary glands. b) esophagus. c) nails 8) The brain, brain stem, spinal cord and nerves form the ... system. a) muscular b) nervous c) anxious 9) Which is the organ system that consists of the skin, the nails and hair? a) Skeletal. b) Respiratory. c) Integumentary. 10) Which is the organ system that gives a framework to the body and protects organs? a) Skeletal. b) Muscular. c) Integumentary. 11) The nervous system consists of... a) the brain, brain root, spinal cord and nerds. b) the brain, brain stem, spinal corn and nerves. c) the brain, brain stem, spinal cord and nerves. 12) Which system is in charge of taking nutrients and oxygen to all the cells in the body? a) Respiratory b) Circulatory c) Digestive 13) Which of these bones protects an important organ? a) Femur b) School c) Skull 14) The skeletal system consists of... a) bones, joints and cartilage. b) ribs, backbone and skull. c) phones, coins and cartridges. 15) We would look like a jellyfish if we didn´t have ... a) muscles. b) the skin. c) a skeleton. 16) What is the job of the heart? a) to pump water to all the body. b) to pump blood to all the body. c) to fall in love. 17) The muscles... a) are covered and protected by the bones. b) cover and protect the bones. c) form part of the skeletal system. 18) How many muscles are there in our body? a) 200 bones b) less than 400 c) more than 600 19) Which system is in charge of breaking down food so that it can be absorbed by all our cells? a) Digestive. b) Circulatory. c) Integumentary. 20) The heart, arteries, veins, capilaries and blood form the ... system. a) respiratory b) digestive c) circulatory

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