The left ventricle has a more muscular wall than the other three chambers of the heart because the left ventricle
A) must generate enough blood pressure to pump blood into the aorta and throughout the body.
B) pumps blood more rapidly than the other chambers.
C) pumps blood into the atria.
D) must decrease the amount of pressure on the blood so it can flow more smoothly.
E) receives blood directly from major arteries.
A
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Which two means of birth control are most similar in the way they prevent pregnancy?
a. tubal ligation and IUDS b. oral contraceptives and spermicides c. tubal ligation and condums d. oral contraceptives and hormone patch
The only diploid cell of the life cycle of basidiomycetes is produced within the basidium by
A. mitosis. B. meiosis. C. karyogamy. D. ascus bursting. E. budding.
Gomphoses
What will be an ideal response?
A functional group added to a hydrocarbon usually makes the hydrocarbon:
A) polar. B) nonpolar. C) acidic. D) an isomer. E) hydrophobic.