Skeletal muscle fibers
a. have T tubules within their sarcomeres
b. have Z lines extending down the middle of the I bands
c. contain gap junctions
d. have all of the above characteristics
e. have characteristics b and c
B
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The arteries that are also called distributing arteries are the ________.
A) elastic arteries B) muscular arteries C) arterioles D) capillaries
The basic difference between spermatogenesis and oogenesis is that ________
A) in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell B) during spermatogenesis two more polar bodies are produced C) the mature ovum is n, while the sperm is 2n D) spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only
An exercising muscle's inability to respond to stimulation due to a buildup of inorganic phosphate or a depletion of glycogen is called _______, whereas, it is called ______ (two words) if it results from a lack of muscle stimulation by the nervous system
Fill in the blank(s) with correct word
Exhaled air passes from the larynx through the trachea
Indicate whether the statement is true or false