Match each of the terms with its definition or explanation.
-Single motor neuron with all the muscle cells it innervates
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

A motor unit is a single motor neuron with all the muscle cells it innervates.

Answer: A 
 Skeletal muscle refers to the muscles that attach to bones and produce movement.

Answer: C  
 Origin refers to the attachment of a muscle tendon to the stationary bone.

Answer: D 
 Insertion refers to the attachment of a muscle tendon to the movable bone.

Answer: E 
 Actin is a protein found in muscle tissue that, along with myosin, is involved in muscle contraction.

Answer: F 
 Myosin is a protein found in muscle tissue that, along with actin, is involved in muscle contraction.

Answer: H 
 Neuromuscular junction is the point of contact between a motor neuron and a muscle cell.

Answer: I 
 Isotonic refers to a type of muscle contraction where the muscle changes length while maintaining constant tension.

Answer: J 
 Isometric refers to a type of muscle contraction where the muscle maintains a constant length while increasing tension.

Match Each of the Terms with Its Definition or Explanation