Match each term with its corresponding definition or description.
-A small fluid-filled sac that lies between some tendons and bones
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

A bursa is a small fluid-filled sac that lies between some tendons and bones, reducing friction and allowing smooth movement.

Answer: F 
 The insertion is the point where a muscle is attached to a bone that moves when the muscle contracts.

Answer: B 
 Visceral muscle, also known as smooth muscle, is found in the walls of internal organs and blood vessels.

Answer: D 
 The origin is the point where a muscle is attached to a stationary bone or structure.

Answer: E 
 A sarcomere is the basic unit of a muscle's contraction, composed of overlapping actin and myosin filaments.

Answer: H 
 Z lines are structures that mark the boundary between adjacent sarcomeres.

Answer: G 
 Actin is a protein that forms thin filaments in muscle fibers.

Answer: J 
 Myosin is a protein that forms thick filaments in muscle fibers.

Answer: C 
 Intercalated disks are specialized cell junctions that connect cardiac muscle cells, allowing for synchronized contraction.

Match Each Term with Its Corresponding Definition or Description