Which type of bone cell lies in a lacuna?
A. Osteochondral progenitor cell
B. Osteocyte
C. Osteoblast
D. Osteoclast
Answer: B
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__________ work together to perform specific related functions
Fill in the blank(s) with correct word
Rigor mortis occurs when Ca2+ links actin and the myosin globular head together in a rigor complex
Indicate whether the statement is true or false
A skeletal muscle twitch differs from a tetanic contraction in that ________
A) the tetanic contraction is considered abnormal, while the twitch is a normal muscle response B) the tetanic contraction is caused by a single stimulus, while the twitch is caused by very rapid multiple stimuli C) the muscle twitch is prolonged and continuous while a tetanic contraction is brief and "jerky" D) the muscle twitch occurs only in small muscles while a tetanic contraction occurs in large muscle groups E) the muscle twitch is a brief and "jerky" movement, while the tetanic contraction is prolonged and continuous
There are more microbial cells than human cells in your body and the health of this microbiota clearly influences human well-being. How many microbes are there?
A. For every cell in your body, there are one hundred microbial cells. B. For every cell in your body, there are one thousand microbial cells. C. For every cell in your body, there are ten microbial cells. D. For every cell in your body, there are ten thousand microbial cells.