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That system is called as autonomic nervous system. It is composed of sympathetic and parasympathetic nervous systems.

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What is an involuntary muscle that has stripes with cells that branch and spread called?

Cardiac (heart) muscle.Cardiac muscle characteristically features stripes (called striations), its cells frequently branch, and it is a type of involuntary muscle (it cannot be consciously controlled). Cardiac muscle fibers are all interconnected (by special cell junctions called gap junctions) as well; this ensures that electrical signals reach all fibers of the heart so that the heart can beat synchronously.Other types of muscle are smooth muscle and skeletal muscle. Smooth muscle has no striations and does not branch, but is also a type of involuntary muscle like cardiac muscle. It is best known for its actions in the gastrointestinal system, where it drives the movement of digested food particles down the tract.Skeletal muscle is striated like cardiac muscle, but does not branch. Muscles that can be consciously controlled are made up of skeletal muscle.


Which involuntary muscle is founded only in the heart?

The human heart is a four cambered pump whose sole task is to pump blood round the body. It is involuntary as we don't have conscious control over it - it works automatically and tirelessly (we hope)! It has cardiac muscle.


Are voluntarily controlled by skeletal or cardiac or smooth?

Voluntary muscles are controlled by the skeletal muscle system, while cardiac and smooth muscles are involuntary and regulated by the autonomic nervous system. Skeletal muscles are under conscious control for movement, posture, and facial expressions, while cardiac muscles control the heart's contractions and smooth muscles regulate internal organ functions.


What subdivision of the PNS regulates the activity of the heart?

The subdivision of the peripheral nervous system (PNS) that regulates the activity of the heart is the autonomic nervous system (ANS). Specifically, the sympathetic division increases heart rate and contractility, while the parasympathetic division, primarily through the vagus nerve, decreases heart rate. Together, these divisions help maintain homeostasis in cardiac function.


Is a heartbeat a reflex?

No, a heartbeat is not a reflex. It is a coordinated and involuntary contraction of the heart muscle controlled by the heart's own electrical system, known as the cardiac conduction system. Reflexes are typically involuntary responses to stimuli mediated by the nervous system.