Which of the following describes how muscles and bones work together to create movement?
A. Muscles are attached to bones by tendons. When a muscle contracts, it pulls on the bone, causing bending at a joint. To reverse the action at the joint, contraction of an opposing group of muscles occurs.
B. Muscles are attached to bones by ligaments. When a muscle contracts, it pulls on the bone, causing bending at a joint. To reverse the action at the joint, contraction of an opposing group of muscles occurs.
C. Muscles are attached to bones by tendons. When a muscle contracts, it pulls on the bone, causing bending at a joint. To reverse the action at the joint, the same muscle group extends, causing movement in the opposite direction.
Select your answer:
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Immunology › ViewA decreased CH50 and a decreased AH50 would indicate a low amount of which of the following complement components?
A. C4
B. C3
C. C4 binding protein
D. Factor B
Components of Blood › View
The given table shows some of the functions of different components of the blood. State the correct component for each function
A. 1: Platelets, 2: White blood cells, 3: Red blood cells, 4: Plasma
B. 1: Red blood cells, 2: White blood cells, 3: Platelets, 4: Plasma
C. 1: Platelets, 2: Red blood cells, 3: White blood cells, 4: Plasma
D. 1: Plasma, 2: White blood cells, 3: Red blood cells, 4: Platelets