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What is a twitch contraction?
A twitch contraction is a single, brief contraction of a muscle fiber in response to a stimulus. It is the smallest unit of muscle contraction and is not strong enough to produce movement of a limb.
What is the smallest cranial nerve?
The smallest cranial nerve is the trochlear nerve (CN IV). It is responsible for controlling the superior oblique muscle of the eye, which helps with downward and inward eye movement.
What are the 5 levels of organism in the body from smallest to biggest?
The five levels of organization in the body from smallest to largest are cells (e.g., muscle cell), tissues (e.g., muscle tissue), organs (e.g., heart), organ systems (e.g., cardiovascular system), and the whole organism (e.g., human).
Is the muscle in the iris of the eye is voluntary muscle?
No, the human eye is an organ. However, each eye has six muscles that control its movements: the lateral rectus, the medial rectus, the inferior rectus, the superior rectus, the inferior oblique, and the superior oblique.
A twitch is in response to a single action potential?
A twitch is a single contraction-relaxation cycle of a muscle fiber in response to a single action potential. It is the smallest unit of muscle contraction and can be summed together to produce larger muscle contractions.
What are the muscle structures from largest to smallest?
The organization of a skeletal muscle from smallest to largest is as follows: myofilaments > myofibrils > muscle fiber > fascicle > muscle
Which muscle is the smallest?
pyriformis
What is the smallest muscle in the eye?
I think its's the scalene muscle
What is smallest muscle in the human?
the stapedius muscle inside the ear
Muscle that is attached to stapes?
The stapedius muscle is attached to the stapes. It is the smallest striated muscle in the human body.
What is the smallest strongest muscle in the body?
Your Tongue
What is The smallest portion of a muscle that can contract?
the sacromere
What is Smallest contractile units of a muscle?
Sarcomere
What is lateral excursion?
smallest to largest muscle
What is the smallest muscle in your leg?
The plantaris is the smallest muscle in the human leg. It is used to flex the knee joint and is absent in about 7 percent of the human population.
What is the smallest contractile unit of the muscle fiber?
sarcomere
What is a sacromere?
The sarcomere is the smallest contractile unit of muscle.
