Coughing is initiated by ________ located in the ________
A) stretch receptor : trachea
B) chemoreceptors : trachea
C) irritant receptors : nose and pharynx
D) irritant receptors : trachea
E) chemoreceptors : nose and pharynx
Answer: D) irritant receptors : trachea
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a. mitochondria b. ribosome c. chloroplast d. Golgi apparatus
In this STD, symptoms include warts on the
genitals and can lead to cervical and anal cancers. This STD is
a. gonorrhea. b. siphilis. c. chlamydia. d. genital herpes. e. HPV infection
Which of the following white blood cells make
antibodies?
a. T lymphocytes b. B lymphocytes c. dendritic cells d. macrophages e. more than one of these white blood cells makes antibodies
________ is a plant hormone that causes the dormancy of many seeds.
A. Auxin B. Abscisic acid C. Gibberellin D. Cytokinin