MATCHING
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

Bursae are small fluid-filled sacs that provide cushioning and reduce friction between tendons and bones.

Answer: A
 Voluntary muscles are muscles that can be consciously controlled by the brain.

Answer: C
 Intercalated disks are specialized junctions between cardiac muscle cells that allow for rapid and coordinated contraction of the heart.

Answer: D
 Origin refers to the point of attachment of a muscle to a stationary bone.

Answer: E
 Sarcomeres are the contractile units of muscle fibers, composed of overlapping filaments of actin and myosin.

Answer: F
 Insertion refers to the point of attachment of a muscle to a movable bone.

Answer: G
 Actin is a thin filament that is involved in muscle contraction.

Answer: H
 Z lines are structures that define the boundaries of sarcomeres in muscle fibers.

Answer: J
 Myosin is a thick filament that is involved in muscle contraction.

MATCHING Match Each Term with Its Corresponding Definition or Description