When atoms complete their outer electron shell by sharing electrons, they form
A) ionic bonds.
B) covalent bonds.
C) hydrogen bonds.
D) anions.
E) cations.
Answer: B
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The pulmonary plexus is a weblike network of nerve fibers that surrounds the primary bronchi and enters the lungs at the hilum. It consists of both sympathetic and parasympathetic fibers.
Answer the following statement true (T) or false (F)
In addition to oxygen, hemoglobin also transports
A. carbonic acid and bicarbonate ions. B. calcium and carbon dioxide. C. carbon dioxide and hydrogen ions. D. iron and albumin.
The primary function of the uterus is to ________.
A) protect the ovaries B) synthesize female hormones C) regulate the ovarian and menstrual cycles D) receive, retain, and nourish a fertilized ovum
The form of carbohydrate our bodies use to store reserve energy is ________.
A. starches B. glycogen C. glucose D. disaccharides