Sistem saraf

Cholinergic vs adrenergic

control and coordination The working together of various organs of a living organism in a systematic, controlled and efficient way to produce a proper response to various stimuli is known as coordination.

There are more than 600 muscles in your body and all of them help you perform various functions and activities, some that you may like, such as playing sports, walking, running or laughing, as well as some that you may not like, such as washing dishes, throwing out the trash, cleaning your bedroom, etc.

The spinal cord is a long, cable-like structure made up of hundreds of nerve fibers, which is approximately 17 inches (42 cm) long. The brain and the spinal cord compose the central nervous system.

Anatomy of Heart Physiology of Heart (Circulating System) Superior Vena CavaThe superior vena cava is one of the two main veins bringing de-oxygenated blood from the body to the heart. Veins from the head and upper body feed into the superior vena cava, which empties into the right atrium of the heart. Inferior Vena CavaThe inferior vena cava is one of the two main veins bringing de-oxygenated blood from the body to the heart. Veins from the legs and lower torso feed into the inferior vena…

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heart neurons | Motor Neuron Diagram