What does the phrase “antagonistic muscles” mean?
What will be an ideal response?
Muscles that have opposite actions, e.g., the biceps and triceps moving the arm appendage in opposite directions.
You might also like to view...
Knockout mice with no active copies of the Dvl-1 gene ____
a. were apparently abnormal physically b. displayed normal social behavior c. were not easily startled d. were apparently normal physically and but not socially e. were apparently normal physically, but displayed abnormal social behavior and were easily startled
Juxtacrine communication uses the circulatory system.
a. true b. false
At some point during development, all members of the ____ phylum have a hollow dorsal nerve cord, a perforated
pharynx, a notochord, and segmented muscles in both the body wall and postanal tail.
a. Hemichordata b. Echinodermata c. Cnidaria d. Arthropoda e. Chordata
Which of the following receptors detects high frequency vibration?
a. Golgi tendon organs b. Meissner’s corpuscles c. Pacinian corpuscles d. Krause end bulbs