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jayvee javier

Anatomy week 1-5

QuestionAnswer
homeostasis The body’s ability to maintain a stable internal environment despite external changes.
anatomical position Standing upright, facing forward, arms at sides, palms facing forward.
What are the three main subatomic particles? Protons, neutrons, and electrons.
Define pH scale Measures hydrogen ion concentration; 7 is neutral, below 7 is acidic, above 7 is basic.
What is diffusion? Movement of molecules from high to low concentration.
What is osmosis? Diffusion of water through a selectively permeable membrane
What are the three shapes of epithelial cells? Squamous, cuboidal, columnar.
Function of nervous tissue? Sends and receives electrical impulses to control body functions.
What is keratin? A protein that strengthens and waterproofs the skin.
What are the functions of the skin? Protection, temperature regulation, sensation, excretion, and vitamin D synthesis.
What is an ion? An atom that has gained or lost electrons, carrying a charge.
What are the two main types of nucleic acids? DNA and RNA
What is the cytoskeleton? Network of fibers that maintain cell shape and assist in movement.
What are neurons? Nerve cells that transmit electrical signals.
Created by: jayveejvr
 

 



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