1) Your heart and blood vessels are part of which system? a) respiratory b) circulatory c) digestive d) skeletal 2) The windpipe, lungs, and diaphragm are part of which system? a) muscular b) nervous c) respiratory d) circulatory 3) Which system changes the food you eat into a form your body can use? a) digestive b) nervous c) respiratory d) skeletal 4) Which system has bones and makes red blood cells? a) muscular b) nervous c) respiratory d) skeletal 5) Which system includes your brain, nerves, and spinal cord? a) nervous b) skeletal c) muscular d) respiratory 6) Any movement your body makes happens through which system? a) respiratory b) skeletal c) muscular d) digestive 7) The part of the tooth that you can see is called the crown. a) true b) false 8) A tissue is a group of cells working together. a) true b) false 9) The control center for your body is the ______? a) brain b) backbone c) phalanges d) heart 10) What keeps dust and other objects out of your eyes? a) pupils b) eyelids c) iris d) retina 11) Which part of the eye focuses the picture you see? a) iris b) eyelashes c) pupil d) lens 12) Which nerve carries the message of hearing to the brain? a) optic nerve b) facial nerve c) auditory nerve d) olfactory nerve  13) The layer of skin that you can see is called the _____ ? a) dermis b) epidermis c) blood vessels d) hair follicle 14) The heart has how many chambers? a) two b) four c) six d) eight 15) The blood vessels that take blood to your heart are the ______ ? a) arteries b) nerves c) veins 16) The blood vessels that take blood away from your heart are the _____ ? a) arteries b) nerves c) veins 17) How many lungs does the body have? a) one b) two c) three d) four 18) What is the largest organ of the body? a) brain b) heart c) skin d) lungs 19) Tiny holes on the skin are called _____ ? a) glands b) follicles c) pores 20) Muscles that move when you want them to are called _______. a) cardiac muscles b) Involuntary muscles c) voluntary muscles 21) Which blood cells help fight infection and diseases? a) white b) blue c) red d) purple 22) What is the place where two bones join together called? a) joint b) ligament c) tendon 23) What is another name for the heart muscle? a) controlled b) cardiac c) voluntary d) involuntary 24) Which part of the nervous system is labeled A? a) spinal cord b) brain c) nerves 25) Which part of the nervous system is labeled B? a) spinal cord b) brain c) nerves 26) Which part of the nervous system is labeled C? a) spinal cord b) brain c) nerves 27) Which part of the digestive system is labeled A? a) intestines b) esophagus c) stomach 28) Which part of the digestive system is labeled B? a) intestines b) esophagus c) stomach 29) Which part of the digestive system is labeled C? a) intestines b) esophagus c) stomach 30) Which part of the circulatory system is labeled A? a) heart b) veins c) arteries 31) Which part of the circulatory system is labeled B? a) heart b) veins c) arteries  32) Which part of the circulatory system is labeled C? a) heart b) veins  c) arteries 33) What is the inner layer of skin called? a) epidermis b) dermis c) glands d) pores 34) What part of the tooth gives it its bone like structure? a) dentin b) pulp c) enamel 35) What part of the ear can you see? a) inner ear b) middle ear c) outer ear 36) What is the sense organ for smell? a) eyes b) ears c) mouth  d) nose

Science Chapter 9

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