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DianaFlores

Physiology week 7-13

QuestionAnswer
What is a neuron? A neuron is a nerve cell that sends and receives electrical signals.
What is a synapse? A synapse is the small space where a neuron passes a message to another cell.
What is the central nervous system? The CNS is the brain and spinal cord and it processes and controls information.
What is the peripheral nervous system? The PNS includes all nerves outside the CNS and carries messages to and from the body.
What is a receptor? A receptor is a cell that that detects a stimulus such as light, sound, touch, or chemicals.
What is a hormone? A hormone is a chemical mass released into the blood to affect target cells.
What is the main job of the heart? The heart pumps blood through the body.
What does a lymph node do? A lymph node filters, limp fluid and helps find infection.
What are alveoli ? Alveoli are tiny sacs where gas exchange happens such as oxygen goes in and carbon dioxide out.
What does the small intestine do? The small intestine is where most nutrients are absorbed into the bloodstream.
Created by: deeflowers93
 

 



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