As blood travels from arteries to veins,
A) pressure builds.
B) pressure drops.
C) flow becomes turbulent.
D) viscosity increases.
E) diameter of the blood vessels gets progressively smaller.
Answer: B
You might also like to view...
The rectus femoris is an example of what muscle shape?
A. Parallel B. Elongated C. Bipennate D. Fusiform E. Triangular
In a female, the labia minora are two outer, hair-covered folds of skin that enclose the delicate, hair-free folds called the labia majora
Indicate whether the statement is true or false
Memory cells are
a. hippocampal neurons. b. exocrine cells that produce milk. c. dormant, non-secreting B-cells. d. dormant, non-secreting T-cells. e. antibody secreting B-cells.
Enzyme regulation by negative feedback involves
A. allosteric facilitation of an enzyme by a substrate of its metabolic pathway. B. occupation of the active site of an enzyme so that it catalyzes less efficiently. C. allosteric inhibition of an enzyme by a product of its metabolic pathway. D. allosteric modification of a substrate by an enzyme of an alternate metabolic pathway. E. enhancement of the active site by a negatively charged substrate.