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Skeletal MuscleSystem

Muscle Contraction

1. The phase of the sliding filament mechanisms are activation ofmyosin followed by __________; the last step is _______. Thedetachment phase requires ___________. The power stroke phaserequires __________. A crossbridge is formed between _________.Calcium binds to ________ which is necessary for _________.
2. At the neuromuscular junction, __________ is released by theneuron; it binds to ________ on the muscle cell to eventuallytrigger ___________. Action potentials in skeletal muscle cells areneeded _________.
3. During ___________ contractions, the muscle stays at the samelength; During _________ contractions, the muscle shortens; themuscle lengthens during ________ contractions
4. Type 1 muscle fibers produce ATP ________ and fatigue ________;type 2a fibers produce ATP ________ and fatigue ________; type 2bfibers produce ATP __________ and fatigue _______.

Blood

1. Blood is made up ______ plasma and _______ formed elements.Plasma is mostly ________ with dissolved__________.  
2. __________ account for most of the formed elements. These cellstransport ___________. RBCs are produced in the ________ inresponse to ________ that is produced in the ________ in responseto _________
3. White blood cells are a part of the __________. The most commonwhite blood cells are __________ and the least common are ________.___________ kill bacteria; _________ produce antibodies; ______fight parasites; ________ scavenge debris.
4. Your blood type is based on the _________ on the surface of theRBCs. There are _______ possible blood types. The two most commonblood types are __________. The universal donor blood type is________; the universal acceptor blood type is _______. Thepossible genotypes for A, B, AB, O blood are_________. Type AB+blood has ___________ antigens and _______antibodies. Type O+ has________antigens and _______antibodies. Type A- blood can be safelytransfused to __________ recipients