State what ion in muscle cells is directly involved in maintaining force production.

Q: Predict what might happen to a muscle cell that is extensible but not elastic. What if the reverse…

A: Extensibility and elasticity are the properties of every muscle of the body.  Extensibility is…

Q: Name three differences between slow-twitch and fast-twitch muscle fibers.

A: A sudden and quick movement of muscles or rather, contraction of muscles is referred to as Twitch.…

Q: What ion and ion channels does a muscle cell have?

A: A specialized tissue that originates from the mesodermal layer and helps in the locomotion of an…

Q: List the principal functions of skeletal muscles.

A: Muscle is composed of contractile protein and belongs to the category of soft tissue. Its primary…

Q: In the numbered list below, what are they in order from largest to smallest? 1. Myofilaments 2.…

A: Tissue is the next level organization of the cells. There are 4 different types of tissue are…

Q: the process of muscle contraction, which of the following steps immediately precedes the influx of…

A: Muscle contraction:-  Is the response  a muscle has to any kind of stimuli where the result is…

Q: Describe how muscle contraction can resist movement rather than cause movement

A: Muscle contractions allow movements mainly the most common function of muscles. The contractions of…

Q: What happens after action potentials are spread across the muscle cell into the T tubules?

A: Answer- The action potential is responsible for the muscle contraction in the body.

Q: Explain why muscles can only pull, not push.

A: Muscles are soft tissues found in most of the animals. The function of muscles is to produce force…

Q: How does the AP in the motor neuron cause calcium release in the muscle fiber?

A: Action potential refers to the depolarisation of neuronal membrane which is required for the…

Q: Name two tissues that are involved in the muscular system

A: The body of human beings (a complex chordate animal) consists of a total of eleven different organ…

Q: Make a table comparing three structural and three functional properties of skeletal,  smooth and…

A: Answer.

Q: Describe how the terms pennate, parallel, and circular relate to muscle fiber orientation?

A: The skeletal muscle fibers (muscle cells) are long and thin in shape. They are bundled together in a…

Q: How does having unique characteristics help the skeletal muscle cells to function?

A: Skeletal muscle cells are also known as muscle fibers. It is composed of specialized cells that work…

Q: Trace the conduction of muscle impulses along muscle fibers.

A: The heart refers to the organ that pumps the blood, thereby delivering nutrients and oxygen to all…

Q: The image below shows a sarcomere. Which region of sarcomere does each letter represent?

A: The contractile unit of skeleton muscle is known as sarcomere. The actin and myosin filaments are…

Q: Explain how an impulse on a motor neuron can trigger a muscle contraction.

A: Nervous system coordinates and controls the activities of the animals. It is responsible for…

Q: Which statement or statements describe why depletion of ATP after death leads to rigor mortis?

A: Rigor mortis is the third phase of death. It is one of the unmistakable indications of death,…

Q: When electrically stimulating a skeletal muscle and measuring the force of muscle contraction, which…

A: A skeletal muscle needs an action potential to be trigger contraction of the muscle fibers. The…

Q: Discuss the contraction of smooth muscles

A: Smooth muscles differ from skeletal muscle as the fibers are long and also spindle-shaped cell that…

Q: On a microscopic scale, explain how muscle fibers move in order to make a muscle shorter? Explain…

A: The cellular respiration provides energy (ATP) for the muscle contraction and The nervous system…

Q: Compare the three muscle fiber types and their influence on contraction

A: The muscular system is made up of specialized tissues called muscle fibers. These muscle fibers…

Q: Describe how connective tissue is part of a skeletal muscle.

A: Skeletal muscles are one of the types of muscles found in the muscular system. A single skeletal…

Q: Explain the process of skeletal muscle contraction.

A: Tendons attach skeletal muscles to the bone. Numerous bundles which make up the skeletal muscle are…

Q: Fast-twitch muscle fibers are also called type ________fibers and slow-twitch are called type…

A: There are two types of skeletal muscle fibers - fast twitch and slow twitch.  Fast twitch muscles…

Q: Which ion starts the muscular contraction by binding to myofilaments? Potassium Chloride Calcium…

A: The muscular system whose origin can be traced to the middle germ layeris responsible for the…

Q: Which row below completes the following statement? "The skeletal muscle fibres that are most likely…

A: The types of muscles composed of bundles of single muscle fibers are known as skeletal muscles. The…

Q: Discuss the 5 steps involved in voluntary muscle contraction.

A: Skeletal muscles are known as the voluntary muscles of the body as they carry out the voluntary body…

Q: What happens inside a muscle to cause that increase in strength to happen over time?

A: Muscle strength means the power of the muscles to perform various activities. For providing…

Q: A. nerve cell releases neurotransmitter which stimulates the muscle cell: B. calcium is released…

A: Muscle contraction is a complex physiological process that involves the interaction of various…