Match each of the terms with its definition or explanation.
-Another name for visceral muscle
A)Skeletal muscle
B)Smooth muscle
C)Origin
D)Insertion
E)Actin
F)Myosin
G)Motor unit
H)Neuromuscular junction
I)Isotonic
J)Isometric

Question

Quizplus · Accepted Answer

Visceral muscle is also known as smooth muscle.

Answer:A 
 Skeletal muscle is the muscle attached to the bones and helps in movement of body parts.

Answer:C 
 Origin is the point of attachment of a muscle that remains relatively fixed during the contraction.

Answer:D 
 Insertion is the point of attachment of a muscle that moves during the contraction.

Answer:E 
 Actin is a protein that forms thin filaments in the muscle fiber.

Answer:F 
 Myosin is a protein that forms thick filaments in the muscle fiber.

Answer:G 
 Motor unit is a motor neuron and all the muscle fibers it innervates.

Answer:H 
 Neuromuscular junction is the site where a motor neuron meets a muscle fiber.

Answer:I 
 Isotonic refers to a type of muscle contraction in which the muscle changes length and moves a load.

Answer:J 
 Isometric refers to a type of muscle contraction in which the muscle does not change length, but tension is developed.

Match Each of the Terms with Its Definition or Explanation