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unit 10: skin stuff

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TermDefinition
Epidermis Strong Protective Covering
Dermis Contains Blood Vessels, Sweat Glands, Oil Glands, and Hair Follicles
Hypodermis(Subcutaneous Fat) Insulates body, stores fuel, and provides cushion for skin
Hair Protects skin, regulates body temperature, and helps with nerve sensing functions
Oil Glands Makes skin waterproof and prevents the skin from dryness
Sweat Glands Regulates body temperature and prevents skin from dryness
Pores Allows passage of gas and fluid through the surface of the skin
Blood Vessels Delivers blood to organs and tissues in the body
Nerves Allows you to interact and react to your surroundings
Skin Protects from pathogens/bacteria, serves as a protective layer for organs, and regulates body temperature.
What do the Kidneys do? Cleanses the bloodstream by separating waste aka urine.
What is the purpose of the Ureters? Tubes that urine travels through to the bladder.
What does the Bladder do? Stores urine until it is expelled from the body.
What is the Urethra's Function? Tube urine travels through to leave the body.
What is Chemical Digestion? Digestion where you break down or change the chemical composition of food into a new substance. (A Chemical Change)
What is Mechanical Digestion? Digestion that only affects the physical form of food, not changing the chemical composition. (A Physical Change)
What does the Esophagus do? Move food from mouth to stomach.
What does the Stomach do? Digests food with acid and enzymes.
What does the Liver do? Filters toxins and makes Bile.
What does the Gallbladder do? Stores Bile and uses it to break down fatty foods
What does the Pancreas do? Regulates blood sugar with insulin or glucagon.
What does the Large Intestine do? Absorb water and vitamins for the body and forms feces and propels it to the rectum for it to be expelled from the body.
What does the Small Intestine do? Digests with enzymes and absorbs nutrients for the body.
What do Lymph Nodes do? Filter foreign substances.
What does Bone Marrow do? Produces blood.
What does the Thymus do? Trains T-Cells.
What does the Spleen do? Filters blood by removing cell waste and getting rid of old/damaged blood cells.
What do Killer T-Cells do? Directly attacks and destroys virus-infected cells.
What do Helper T-Cells do? Identifies infected cells and such, then notifies killer T-Cells to attack and B-Cells to make antibodies
What do B-Cells do? Creates antibodies
What are all T and B-Cells? White Blood Cells
What does the right atrium do? Takes the deoxygenated blood entering the heart and transfers it to the right ventricle.
What does the right ventricle do? Pumps deoxygenated blood to the lungs.
What does the left atrium do? Oxygenated blood goes from the lungs and enters the left atrium, which then transports down to the left ventricle.
What does the left ventricle do? Pumps to the body to give cells oxygen and then travels back to the right atrium.
What do red blood cells do? Carries oxygen, nutrient, and waste.
What do white blood cells do? Fights diseases and protects from infections.
What do platelets do? Gathers at injuries and helps the clotting process.
What is plasma? Straw colored liquid where the other components float in.
What do arteries do? Carry blood away from the heart
What do capillaries do? Help exchange substances between blood and tissues.
What do veins do? Carries blood back towards the heart.
What are the 3 types of veins? Arteries, Capillaries, Veins,
What are the 4 parts of blood? Red Blood Cells, White Blood Cells, Platelets, Plasma,
What are the 4 chambers in the heart? Right Atrium, Right Ventricle, Left Atrium, Left Ventricle,
Created by: aye.grace
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