Muscle Tissues Flashcards
(27 cards)
What are the three types of muscle tissue?
Skeletal, cardiac, and smooth muscle.
True or False: Skeletal muscle is involuntary.
False.
Which type of muscle tissue is striated?
Skeletal and cardiac muscle.
Fill in the blank: Cardiac muscle is found only in the _____ of the body.
heart.
What type of muscle tissue is responsible for involuntary movements?
Smooth muscle.
True or False: Smooth muscle is found in the walls of hollow organs.
True.
What is the primary function of skeletal muscle?
To facilitate voluntary movement.
Fill in the blank: Cardiac muscle cells are connected by _____ that allow for synchronized contractions.
intercalated discs.
Multiple Choice: Which type of muscle tissue has the ability to regenerate after injury? A) Skeletal B) Cardiac C) Smooth D) All of the above
C) Smooth.
What is the main protein found in skeletal muscle fibers that enables contraction?
Actin and myosin.
True or False: Cardiac muscle is under conscious control.
False.
What is the role of the sarcoplasmic reticulum in muscle cells?
To store and release calcium ions.
Fill in the blank: The functional unit of skeletal muscle is called a _____
sarcomere.
Multiple Choice: Which muscle type can be found in the digestive tract? A) Skeletal B) Cardiac C) Smooth D) None of the above
C) Smooth.
What is the term for the connection between a motor neuron and a skeletal muscle fiber?
Neuromuscular junction.
True or False: Smooth muscle can contract more slowly than skeletal muscle.
True.
What type of muscle tissue has a single nucleus per cell?
Cardiac and smooth muscle.
Fill in the blank: The contraction of cardiac muscle is regulated by the _____ system.
autonomic nervous.
What is the primary energy source for muscle contraction?
Adenosine triphosphate (ATP).
Multiple Choice: Which type of muscle tissue is multinucleated? A) Skeletal B) Cardiac C) Smooth D) None of the above
A) Skeletal.
True or False: Smooth muscle is found in the walls of blood vessels.
True.
What is the primary function of cardiac muscle?
To pump blood throughout the body.
Fill in the blank: Skeletal muscles are attached to _____ to facilitate movement.
bones.
What is the term for the ability of muscle tissue to stretch without damage?
Extensibility.
