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Explain the control of cardiac activity by the autonomic nervous system?
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One important difference between autonomic neurons and somatic neurons is the presence of?
Autonomic neurons control signals to and from the brain to smooth and cardiac. Whereas Somatic neurons control the signals to and from the skeletal system and brain.
The heart has what tissue in it?
Heart has cardiac tissue. It is striated like skeletal muscle, but is under control of the autonomic nervous system.
What is dual innervation?
Innervated by both the sympathetic and parasympathetic nervous system. This allows for both branches of autonomic NS (sympathetic and parasympathetic) to precisely control an organ's activity.
What is the invoulentry and voulentry muscles?
Your involuntary muscles are muscles like your smooth muscle (stomach) and your cardiac muscle (heart), which are under autonomic control. Your skeletal muscles are the muscles which are voluntary since you have complete control over them! :]
What type of movement does the autonomic system control?
The somatic nervous system regulates skeletal muscle tissue, while the ANS services smooth muscle, cardiac muscle, and glandular tissue.
What is innervate?
Innervated by both the sympathetic and parasympathetic nervous system. This allows for both branches of autonomic NS (sympathetic and parasympathetic) to precisely control an organ's activity.
How does the heart respond when the body needs more blood due to physical activity?
Your heart wil increase its beats per minute. You body doesn't really need more blood, but rather the oxygen and other nutrients in the blood. The medula oblongota, lower part of brainstem, controls respiratory and cardiac centes, along with some other areas of autonomic control.
What does the cardiac system control?
Nervous system and the cardiac walls. (:
Does the hypothalamus control the autonomic nervous system?
Yes
What does the autonomic system of the PNS control?
Heart beat
What does the autonomic system NOT control?
Most motor functions
What is the function. of the autonomic nervous system?
The function of the autonomic nervous system is to control involuntary actions, or body functions that must operate even without conscious awareness of those functions. It regulates heart activity, acting like brakes and accelerators to decrease or increase the heart rate.
