The shorter a muscle fiber is before the onset of a contraction, the greater the force that can be developed upon the subsequent contraction because the thin filaments are already partially slid inward
Indicate whether the statement is true or false
F
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The physical law stating that the buoyant force acting on a body is equal to the weight of the fluid displaced by the body is called ___________________ ___________________. ________________________________________
Fill in the blank(s) with the appropriate word(s).
What element is involved in the most important ion outward movement that gives rise to the pacemaker potential?
a. sodium b. potassium c. calcium d. phosphorus e. iron
All of the muscles that move the hyoid bone and larynx are innervated by the facial nerve.
Answer the following statement true (T) or false (F)
The azygos vein drains blood from the _____ into the superior vena cava
A. head B. upper arm C. kidneys D. thorax E. abdominal wall