Epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface
Indicate whether the statement is true or false
TRUE
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Even though this structure is part of the circulatory system, it is included in the discussion of the urinary system
A) Proximal convoluted tubule B) Glomerulus C) Loop of Henle D) Renal pelvis
Sudoriferous glands vary in distribution over the surface of the body. Which of the following is correct?
A) Eccrine are the most numerous, being found primarily in the axillary regions. B) Apocrine glands are larger than eccrine, and empty secretions directly to the surface of the skin. C) Ceruminous glands secrete cerumen, which is thought to deter insects. D) Mammary glands are not considered a modified sweat gland.
The procedure used to directly examine the trachea and bronchial tree is called
A) laryngectomy. B) tracheostomy. C) bronchoscopy. D) tracheotomy.
Skeletal muscle is
A. striated and voluntary. B. smooth and involuntary. C. striated and involuntary.