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SCI221-05 WEEK 14

Week 14: Assignment - StudyStack Set 2

Question: What are the two main divisions of the nervous system? Answer: Central nervous system (CNS) and peripheral nervous system (PNS)
The __ system drains excess interstitial fluid and returns it to the bloodstream. Answer: lymphatic
Define: Neurotransmitters Chemical messengers released by neurons that communicate with target cells
What is the difference between hormones and neurotransmitters? Hormones travel through blood, neurotransmitters act locally at synapses, hormones have slower responses
Define Lymphedema Definition: Swelling caused by lymphatic system blockage or damage, leading to fluid accumulation
Fill-in-the-blank: The autonomic nervous system regulates __ muscle, __ muscle, and glands. Answer: smooth, cardiac Answer: smooth, cardiac
Question: What are the 3 main functions of the respiratory system? Answer: 1) Oxygen delivery 2) Carbon dioxide removal 3) Acid-base balance
Term: Reflex arc Definition: Neural pathway that mediates automatic responses to stimuli (sensory → integration → motor)
Fill-in-the-blank: The digestive system's primary function is to break down food and __ nutrients into the bloodstream. Answer: absorb
Question: How does stress affect the endocrine system? Answer: Triggers hormone release (like cortisol) that increases heart rate, blood pressure, and energy availability
Created by: Agnes Nkata
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