Contraction of a muscle requires all the motor units to be undergoing tetanic contraction.
Answer the following statement true (T) or false (F)
False
Some motor units are contracting maximally while others are resting, allowing sustained contractions to occur.
You might also like to view...
Lichens are symbiotic associations of fungi and _____
A) mosses or algae B) cyanobacteria or algae C) green algae or liverworts D) mosses or cyanobacteria E) mosses or sponges
what does the Natural Killer cell secrete?
What will be an ideal response?
A cell that undergoes meiosis at the time of
fertilization is indicated by a. A. b. B. c. E. d. A and B. e. none of these.
Which of the following sets of characteristics describes the highest level of threat potential from biological weapons?
A) a waterborne toxin that is easily introduced into public water supplies and does not replicate in humans B) a pathogen of livestock transmitted by contact with infected animals but not infected people C) a human pathogen easily produced as an aerosol and transmissible by respiratory aerosols D) a pathogen of wheat that could be delivered using crop dusters E) a microbe that can be introduced into food during packaging and withstands refrigerator temperatures but not typical cooking temperatures