The curved upper surface of an aerofoil of the wing of an airplane or a bird is critical in generating
A) Drag.
B) Lift.
C) Angular momentum.
D) Thrust.
Answer: B
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The dura mater surrounding the brain consists of two layers. Give a functional reason for the fact that there are two layers instead of only one.
A. The two layers form a stronger blood-brain barrier. B. Spaces between layers collect blood for return to the venous system. C. Fluid between the layers reduces friction. D. Arteries are sandwiched between the layers. E. The spaces are where cerebrospinal fluid is reabsorbed.
Most of the fluid portion of the semen is produced by the
A. prostate gland. B. epididymis. C. seminal vesicles. D. rete testis. E. bulbourethral glands.
The quadriceps femoris is a composite muscle with four heads that work together to flex the leg.
Answer the following statement true (T) or false (F)
The vessel seen running the length of the posterior pancreas on sectional images is the ____________________.
Fill in the blank(s) with the appropriate word(s).