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How the Nervous System Interacts With Other Body Systems

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Lavanya Kannan

on 9 April 2014

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Transcript of How the Nervous System Interacts With Other Body Systems

The Nervous System: Interactions
How the Nervous System Interacts With Other Body Systems
Integumentary system
Immune system
Muscular system
Skeletal system
Circulatory system
Respiratory system
Endocrine system
Digestive system
Excretory system
The Integumentary System
Immune System
The Muscular System
Enable motion
Generate heat to maintain body temperature
Move food through digestive tract
Contract the heart.
The Skeletal System
Makes up the framework of the body and allows us to move when our muscles contract
Stores minerals (e.g. calcium, phosphorous) and releases them into the body when they are needed.
The skeletal system also protects internal organs and produces blood cells
How Does the Nervous System Interact With the Integumentary System?
Receptors in skin send sensory information to the brain.
The autonomic nervous system regulates peripheral blood flow and sweat glands.
Nerves control muscles connected to hair follicles.
Protects the host from environmental agents such as microbes or chemicals
Fight off infections
Keep body healthy
Guards against germs and microorganisms by attacking them when they invade the body.
How Does the Nervous System Interact With the Immune System?
In response to stress messages from the brain, the adrenal glands release hormones into the blood
In addition to helping a person respond to emergencies by mobilizing the body’s energy reserves, these “stress hormones” can stifle the protective effects of antibodies and lymphocytes
The hormones and other chemicals that convey messages among nerve cells also “speak” to cells of the immune system.
Some immune cells are able to manufacture typical nerve cell products, and some lymphokines can transmit information to the nervous system
The brain may send messages directly down nerve cells to the immune system. Networks of nerve fibers have been found connecting to the lymphoid organs.
How Does the Nervous System Interact With the Muscular System?
Receptors in muscles provide the brain with information about body position and movement.
The brain controls the contraction of skeletal muscle.
The nervous system regulates the speed at which food moves through the digestive tract.
How Does the Nervous System Interact With the Skeletal System?
Bones provide calcium that is essential for the proper functioning of the nervous system.
The skull protects the brain from injury.
The vertebrae protect the spinal cord from injury.
Sensory receptors in joints between bones send signals about body position to the brain.
The brain regulates the position of bones by controlling muscles.
Delivers oxygen, hormones, nutrients and white blood cells around the body by pumping blood
It removes waste products.
The Circulatory System
How Does the Nervous System Interact With the Circulatory System?
Endothelial cells maintain the blood-brain barrier.
Baroreceptors send information to the brain about blood pressure.
Cerebrospinal fluid drains into the venous blood supply.
The brain regulates heart rate and blood pressure.
The Respiratory System
Supplies oxygen to the blood
Removes carbon dioxide
How Does the Nervous System Interact With the Respiratory System?
The brain monitors respiratory volume and blood gas levels
The brain regulates respiratory rate
The Endocrine System
Secretes hormones into blood and other body fluids
These chemicals are important for metabolism, growth, water and mineral balance, and the response to stress.
How Does the Nervous System Interact With the Endocrine System?
Hormones provide feedback to the brain to affect neural processing
Reproductive hormones affect the development of the nervous system
The hypothalamus controls the pituitary gland and other endocrine glands
The Digestive System
Stores and digests foods
Transfers nutrients to the body
Eliminates waste and absorbs water.
How Does the Nervous System Interact With the Digestive System?
Digestive processes provide the building blocks for some neurotransmitters
The autonomic nervous system controls the tone of the digestive tract.
The brain controls drinking and feeding behavior.
The brain controls muscles for eating and elimination.
Sends sensory information to the brain.
The Excretory System
Reduces water loss
Contains receptors that respond to touch
Regulates body temperature
Protects the inside of the body from damage
Removes wastes products of metabolism from the body thus preventing damage to its tissues
Includes the skin, the large intestines, the kidneys and the liver
How Does the Nervous System Interact With the Excretory System?
Production of insulin to control sugar levels
Eyes squinting or dilating in response to light
Causes less urine production to prevent dehydration
Causes goosebumps in response to cold temperatures
Lets body know whether all feces has been excreted
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