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Johanna Mena

Anatomy- cells

TermDefinition
Nerve Cells Structure- surface that is sensitive to stimuli, long extensions Function- detect changes in internal/external environment, transmit nerve impulses from one part of the body to another.
Muscle Cells Structure- elongated, threadlike contain tiny fibers that slide together forcefully Function- contract to allow movement of body parts
Red Blood Cells Structure- contain hemoglobin, a red pigment that attracts, then releases, oxygen Function- transport oxygen in the bloodstream (from lungs to other parts of the body)
Gland Cells Structure- contain sacs that release a secretion to the outside of the cell Function- release substances such as hormones, enzymes, mucus, and sweat
Immune Cells Structure- (some) outer membrane that engulfs other cells, (some) manufacture antibodies, (some) destroy other cells Function- recognize & destroy non-self cells ex: cancer cells
Membranous Organelles plasma membrane ER golgi apparatus vesicle lysosome peroxisomes mitochondria neucleus
Non membranous Organelles Ribosomes proteasomes cytoskeleton centrosomes microvilli cilia/flagella nucleolus
Plasma Membrane boundary of the cell, protein molecules preform various function: marks that id's cell of each person, receptor molecules for certain hormones, transport mechanism
Endoplasmic Reticulum ribosomes attach to rough ER synthesis polypeptides, synthesize integral membrane proteins, membrane lipids in cell membrane, steroid hormones, detoxification enzymes, glycogen regulating enzymes, and carbs used to form glycoproteins, removes CA interior
Golgi Apparatus synthesis carbs combines it w/ protein and packages product as globules of glycoprotein
Vesicles temporarily contain molecules for transport to use later
Lysosomes digestive enzymes break down defective cell parts & ingested particles, some involved in digestive repair
Peroxisomes enzyme detoxifying harmful substance
Mitochondria catabolism, ATP synthesis, cell power plant
Nucleus genetic code, dictates protein synthesis, role in other cell activities: cell transport, metabolism, and growth
Created by: jemena1726
 

 



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