The number of chromosomes in daughter cells produced by meiosis is ________ the number of chromosomes in daughter cells produced by mitosis.
one-fourth
half
equal to
twice
four times
twice
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Blood helps regulate body temperature by:
A) increasing metabolic rate (which generates more heat) B) vasodilation of surface vessels radiates heat away from body core C) triggers constriction of arrector pili muscles (increasing insulation) D) regulation of pH through buffering systems
Which gland functions to regulate daily biological rhythms and inhibit GnRH production?
A. Thyroid gland B. Pituitary gland C. Hypothalamus D. Pineal gland
What are the two tubes that lead from the pharynx?
a. larynx and bronchus b. trachea and larynx c. trachea and esophagus d. nasal tube and esophagus e. bronchus and bronchiole
The ________ gland is divided into posterior and anterior segments.
A. thyroid B. thymus C. pituitary D. adrenal