1) The main function of the skeleton is a) blood production b) movement c) mineral storage 2) muscles work in a) peculiar ways b) Agonist pairs c) Antagonistic pairs 3) Cardiac muscle is a) voluntary b) involuntary c) special 4) where would you find Cardiac muscle? a) intestines b) only the heart c) the heart and lungs 5) The rib cage protects a) brain b) heart and lungs c) reproductive organs 6) select 3 functions of the skeleton a) Support b) respiration c) blood cell production d) keeps you warm e) protects vital organs f) digestion of food 7) pick the pair that work together to move the leg a) hamstrings and biceps b) quadriceps and deltoid c) hamstrings and quadriceps d) gastrocnemius and pectorals 8) a tendon attaches a) bone to bone b) two types of muscle c) muscles to bone 9) which muscle contracts to straighten the arm a) biceps b) triceps c) deltoid 10) star jumps require you to take your arms out and away from the midline of the body. Is this: a) Adduction b) flexion c) Abduction d) extension 11) Involuntary muscles are found mainly in the a) intestines b) bottom c) heart d) lungs 12) short bones job is to a) create movement at the wrist b) absorb shock c) produce white blood cells 13) the skull primarily protects the a) eyes b) teeth c) brain 14) Platelets help to clot our blood a) True b) False 15) cartilage is a) a sticky liquid in our joints b) a smooth tissue around the end of the bones c) part of a ligament 16) pick the correct 4 classifications of bones a) long,small,flat,regular b) long, short, flat, regular c) irregular,short,hinge,flat d) short,flat,irregular,long 17) pick 3 short term effects of exercise on the musculo- skeletal system a) muscle temperature rises b) bones become denser c) lactic acid is produced d) more blood pumps through ligaments + tendons e) you get faster 18) pick the 3 correct long term effects of exercise on the body systems a) bones become more dense b) heart becomes bigger c) heart beats faster d) hypertrophy of the muscles e) blood pressure increases f) breathing becomes faster 19) the gastrocnemius muscle is found in a) intestine b) the lower leg c) the back d) the shoulder 20) when bending the arm which muscle is the Agonist? a) Triceps b) Deltoid c) Biceps

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