What muscle tissue is considered involuntary?

a. skeletal only
b. smooth only
c. cardiac only
d. both skeletal and cardiac
e. both cardiac and smooth


ANSWER: e

Biology & Microbiology

You might also like to view...

Chagas disease is caused by:

a. Trypanosoma rangeli. b. Trypanosoma cruzi. c. Trypanosoma brucei rhodesiense. d. Trypanosoma brucei gambiense.

Biology & Microbiology

Two pairs of electrons shared between two atoms is called a __________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Which of the following is NOT a characteristic of mammals?

A. They have a two-chambered heart. B. They are endothermic. C. They have lungs. D. They have an amnion. E. They have a skeletal system composed of bone.

Biology & Microbiology

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?

A) 1 × 10-9 mol of hydroxide ions per liter of lake water B) 1 × 10-5 mol of hydroxide ions per liter of lake water C) 5.0 M hydroxide ion D) 5.0 × 10-5 mol of hydroxide ions per liter of lake water

Biology & Microbiology