Which of the following is characteristic of cardiac muscle?
A) It is found only in the heart and blood vessels.
B) It contracts under the control of its pacemaker cells.
C) It is not striated.
D) It is most similar in appearance to smooth muscle.
Answer: B
You might also like to view...
Most natural populations are in a state of equilibrium according to Hardy-Weinberg
Indicate whether the statement is true or false
The primary cause of human population growth following the Industrial Revolution was
a. an increase in death rates. b. a decrease in death rates. c. an increase in birthrates. d. a decrease in birthrates e. more children being born to women over 35 years of age.
The process of ________ involves the relaxation of the external urethral sphincter, emptying the bladder
Fill in the blank(s) with correct word
Which of the following types of microbes might be found in a boiling hot spring?
A) hyperthermophiles B) phototrophic bacteria C) methanogens D) non-thermophiles E) halophiles