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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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ton ton
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12 years ago
1.Blood vessels
2.Abdomen
3.Muscles
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#1
Staff Member
11 months ago
Certainly! Let’s explore the roles of these parts in both the sympathetic and parasympathetic nervous systems:

Blood Vessels:

Sympathetic Nervous System (SNS):
Function: Under stress, the SNS constricts blood vessels, raising blood pressure.
Effect: Prepares the body for the “fight or flight” response.

Parasympathetic Nervous System (PSNS):
Function: The PSNS maintains blood vessels in a relaxed state.
Effect: Promotes a “rest and digest” mode, reducing heart rate and blood pressure.

2. Abdomen:
Both systems have limited direct effects on the abdomen.
The PSNS may enhance digestive function (e.g., increased motility, secretion).
The SNS may reduce digestive function during stress.

3. Muscles:
SNS:
Function: Contracts skeletal muscles.
Effect: Prepares for physical activity (fight or flight).
PSNS:

Function: Relaxes muscles.
Effect: Supports restful activities.

Remember, these systems work in opposition, maintaining balance for optimal bodily function! 😊
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