The hydrogen and oxygen atoms in a molecule of water are held together by ________ bonds.
A. polar covalent
B. ionic
C. savings
D. nonpolar covalent
E. peptide
Answer: A
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The brachiocephalic veins are formed by the
a: Internal jugular veins b: Right sigmoid sinus c: Left sigmoid sinus d: Subclavian veins e: Traight sinus A. a, b, e B. a, c, d C. b, c, e D. a, d E. b, d, e
Causing abortion in sheep, _________________________________________ is a bacterial infection caused by Chlamydophila abortus
Fill in the blank(s) with correct word
Which of the following is a normal response to excessive loss of body heat in a cold
environment? A) Dermal blood vessels dilate. B) Dermal blood vessels constrict. C) Smooth muscles relax. D) Sweat glands become active.
________ results from long-term exposure to airborne irritants; is characterized by a rupture of the pulmonary alveoli, forming large spaces in the lungs.
A. Infant respiratory distress syndrome B. Pneumothorax C. Asthma D. Emphysema