MATCHING
Match each term with its corresponding definition or description.
-functional unit of contraction of a skeletal muscle
A)voluntary muscle
B)visceral muscle
C)intercalated disks
D)origin
E)sarcomere
F)insertion
G)actin
H)Z line
I)bursae
J)myosin

Question

Quizplus · Accepted Answer

Sarcomere is the functional unit of contraction of skeletal muscle.

Answer: A 
 Voluntary muscle is under conscious control, which applies to skeletal muscle.

Answer: B 
 Visceral muscle is involuntary muscle, which applies to smooth muscle.

Answer: C 
 Intercalated disks are found in cardiac muscle and allow for rapid communication between cells.

Answer: D 
 The origin is the point where the muscle attaches to the stationary bone.

Answer: F 
 The insertion is the point where the muscle attaches to the moving bone.

Answer: G 
 Actin is a protein found in muscle that is responsible for the contractile movement of muscle.

Answer: H 
 The Z line is a protein structure that helps to anchor actin filaments in place in the sarcomere.

Answer: I 
 Bursae are small fluid-filled sacs located throughout the body at various joints and act as cushions between bones and tendons.

Answer: J 
 Myosin is a protein found in muscle that interacts with actin to cause muscle contraction.

MATCHING Match Each Term with Its Corresponding Definition or Description