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The Sympathetic
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∙ 11y ago
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What are blood vessel size directly and indirectly controlled by?
The vascular system signals for blood vessels to constrict or dilate. The nervous system, such as the spine, and the brain, work together to help blood vessels respond accordingly.
What branch of the autonomic nervous system causes dilation of the blood vessels supplying skeletal muscles and the heart?
The sympathetic system causes the vessels to constrict (shut blood to core systems) and is often called the fight or flight response. The parasympathetic system causes the vessels to relax and is often called the feed and breed response.
What signals do the respiratory system depend on from the nervous system?
Nervous system sends controlling signals to respiratory system via nerves of autonomic system, these signals arise from breathing center of medulla .
What tissue transmits electrical signals?
neurons
How many nerves are in the nervous system?
There are billions of nerves in the nervous system. The nervous system is responsible for transmitting signals throughout the body.
Cells that transmit electrical signals through the nervous system to various organs in the body are called?
This is the nervous system.
The somatic nervous system carries signals to?
The somatic nervous system is associated with the control of body movements. It carries signals to the brain to tell the body how to move.
Does circulatory system carry signals throughout the body?
no the circulatory system carries blood. the nervous system carries signals
What system controls organisms through chemical signals?
The nervous system
What do depressants do to signals in the nervous system?
It sends flares
What nervous system carries brain and spinal cord signals to other organs?
It is the central nervous system
What is the system that carries electrical signals from your brain and spinal cord?
The nervous system
