Endocrine glands secrete
A. hormones.
B. digestive enzymes.
C. saliva.
D. sweat.
E. All of the choices are correct.
Answer: A
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The fibrous partitions of the lungs that contain smooth muscles, elastic fibers, and lymphoid structures are the ________.
Fill in the blank(s) with the appropriate word(s).
A solution surrounding a cell is hypertonic if __________.
a. it contains more nonpenetrating solute particles than the interior of the cell b. it contains the same amount of nonpenetrating solute particles as the interior of the cell c. it contains fewer nonpenetrating solute particles than the interior of the cell
Estrogens trigger production of lipoproteins that carry cholesterol. Cholesterol forms the ________ from which sex hormones are synthesized.
A. steroid nucleus B. high density carbohydrate C. amino acid chain D. hydrophilic parent
The ovary is covered by a fibrous capsule called the ________ made of cuboidal epithelium.
A. vulva B. tunica albuginea C. mesovarium D. infundibulum