Earthworms and sea anemones move by the actions of circular and longitudinal muscles in the body wall, a system called a:
A) endoskeleton.
B) hydrostatic skeleton.
C) circular skeleton.
D) longitudinal skeleton.
Correct Answer:
Verified
Q1: Muscles used for fine motor control have:
A)motor
Q2: Cnidarians have a(n)_ skeleton.
A)exo-
B)endo-
C)hydrostatic
D)absent
Q3: Protein discs that connect sarcomeres are called:
A)T
Q5: The function of the accessory proteins of
Q6: What is the purpose of the sarcoplasmic
Q7: An action potential travels into the muscle
Q8: The thick filaments of a myofibril are
Q9: The connective tissues that connect muscles to
Q10: Which of these animals is correctly matched
Q11: Which of these muscle components is the
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