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Musculoskeletal system


Musculoskeletal system
CFCF / CC BY-SA Working together to provide support and produce movement, the structures of the musculoskeletal system include: • muscles • bones • …
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Renal system


Renal system
BruceBlaus / CC BY-SA The renal system works with the urinary system to collect the body’s waste products and expel them as urine. The renal system inc…
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Digestive system


Digestive system
LadyofHats / Public domain The body’s food processing complex supplies essential nutrients that fuel other organs and body systems. The digestive syste…
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CIRCULATORY System


CIRCULATORY System
OpenStax College / CC BY Blood components Plasma • Consists of proteins, albumin, globulin, and fibrinogen • Regulates acid-base balance and immun…
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Immune system


Immune system
The body protects itself from infectious organisms through the host defense system. Three lines of defense include: • physical and chemical barriers to i…
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Neurologic system


Neurologic system
OpenStax / CC BY The neurologic system is the body’s communication network. It coordinates and organizes the functions of all other body systems: There…
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Cardiovascular system


Cardiovascular system
The cardiovascular system is made up of the heart, arteries, veins, and lymphatics, which transport life-supporting oxygen and nutrients to cells, remove…
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Respiratory System


Respiratory System
OpenStax College / CC BY Understanding the respiratory system The major function of the respiratory system is gas exchange. Its components consist of …
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Endocrine system


Endocrine system
OpenStax College / CC BY Understanding the endocrine system • Hypothalamus helps control endocrine glands. • Adrenal cortex secretes mineralocorticoi…
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Genetics


Genetics
Genetics facts • Ova and sperm each contain 23 chromosomes. • A fertilized cell has 46 chromosomes. • Each chromosome contains DNA. • DNA contains gen…
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...ABOUT EPHEDRINE USE


MYTH:   Ephedrine was developed for weight loss and bodybuilding.                                                       ---------- FACT: Traditionally used a…
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Infection


Infection
Infection facts • Infection is a host’s response to a pathogen. • Viruses, bacteria, fungi, and parasites cause infection. • Infection results when a p…
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Cancer


Cancer
Cancer facts • Second leading cause of death • Classified by tissues or blood cells of origin • Can metastasize by circulating through blood and lympha…
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Cell and Disease


Cell and Disease
Understanding cell components • Organelles — contained in the cytoplasm and surrounded by cell membrane • Nucleus — responsible for cellular reprodu…
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