10 Questions
Which system is responsible for maintaining a stable internal environment in the body?
Autonomic nervous system
What do internal sensory receptors gather information about?
Blood pressure, blood chemistry, body temperature, and mechanical distension
Which organs are considered as principal organs of homeostasis?
Skin, liver, lungs, heart, and kidneys
Which two distinct effector pathways modulate organ function in the ANS?
Parasympathetic nervous system (PSNS) and sympathetic nervous system (SNS)
In practice, how do the actions of SNS and PSNS often work?
Antagonistically
What is the responsibility of the autonomic nervous system (ANS) in maintaining a stable internal environment?
Gathering information from internal sensory receptors and adjusting the function of organs to maintain homeostasis
Which organs are considered as principal organs of homeostasis?
Skin, liver, lungs, heart, and kidneys
How do the sympathetic nervous system (SNS) and parasympathetic nervous system (PSNS) typically work?
Often antagonistic but in practice work in close cooperation with each other
What type of neurotransmitter is released in the sympathetic nervous system (SNS)?
Adrenaline (epinephrine)
What types of receptor are identified in the sympathetic nervous system (SNS) and parasympathetic nervous system (PSNS)?
Adrenergic and cholinergic receptors
Test your knowledge on how cells create a barrier to maintain an internal environment suitable for their metabolic needs. Explore the role of the autonomic nervous system in maintaining a stable internal environment.
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