When you walk up the stairs, your hip and knee joints __________ to lift your body weight.
A. rotate
B. abduct
C. adduct
D. flex
E. extend
E. extend
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Which of the following muscles functions to maintain an erect spinal column and head?
A) erector spinae B) biceps brachii C) triceps brachii D) rectus femoris E) biceps femoris
The diaphragm creates a ________ section between the thoracic and abdominal body cavities
A) transverse (cross) B) median C) midsagittal D) frontal (coronal)
The inner mucosal layer of the uterus that is sloughed off approximately every 28 days is called the ________
A) endometrium B) myometrium C) perimetrium D) epimetrium E) hypometrium
What is an antagonist?
A. A muscle that has the opposite action B. The main muscle of the synergist to perform the action C. A muscle that holds an origin stable for another muscle D. A muscle that has the same action