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Isabella Rosales

Human Physiology Weeks 7-13

TermDefinition
Artery A blood vessel that conducts blood away from the heart.
Capillary The smallest type of blood vessel; site of exchange between blood and surrounding tissues.
Blood Pressure The force exerted by blood on the walls of blood vessels or heart chambers.
Pulmonary Circuit The path of blood flow from the heart → lungs → heart, for gas exchange (oxygen in, CO₂ out).
Lymphatic Capillary Small, thin-walled microvessels that absorb interstitial fluid (becomes lymph) and transport it toward lymphatic vessels.
Antigen A molecule (often on a pathogen) that can be recognized by lymphocyte receptors and trigger an immune response.
Respiratory Membrane The thin barrier composed of alveolar epithelium and capillary endothelium through which gases diffuse during external respiration.
Small Intestine The part of the digestive tract where most chemical digestion and nutrient absorption occurs.
Urinary System The organ system responsible for removing waste products from the blood, regulating fluid balance, electrolytes, and pH.
Homeostasis The maintenance of a stable internal environment (fluid balance, pH, temperature, etc.) in the body.
Created by: isabella.rosales
 

 



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