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Human Body

homeostasis maintaining body temperature
joint two bones come together
spongy bone layer of bone tissue; looks like a sponge
compact bone beneath the bone's membrane; hard/dense; not solid
cartilage more flexible than bone; protects the ends of bone
ligament strong connective tissue that holds bones together in movable joints
tendon strong connective tissue that attaches muscle to bone
red marrow produces most of the bodies blood cells
yellow marrow stores fat; can serve as an energy reserve
skeletal muscle attached to bones; provides force that moves your bones
striated muscle a muscle that appears banded; also called skeletal muscle
smooth muscle involuntary muscles that are found in many of the internal muscles of your body
cardiac muscle muscle found only in the heart
integumentary system skin
epidermis outer layer of skin
dermis inner layer of the skin
melanin pigment that gives skin color
follicle strands of hair in the dermis
mechanical digestion chewing
chemical digestion chemicals break food down into smaller pieces
Epiglottis flap of tissue that seals off your windpipe
peristalsis involuntary waves of muscle contraction
esophagus muscular tube that connects the mouth to the stomach
absorption nutrient molecules pass through the wall of the digestive system into your blood
villus tiny finger-shaped structures that cover the small intestine
pacemaker located in the right atrium of the heart; sends out signals that make the heart muscle contract
artery blood vessels that carry blood away from the heart
capillary narrow blood vessels
vein blood vessels that carry blood back to the heart
plasma liquid part of blood
red blood cell blood cell that takes up oxygen in the lungs and delivers it to cells somewhere else in the body
hemoglobin an iron, containing protein that binds chemically to oxygen molecules
white blood cell fights body's diseases
Platelet play an important part in forming blood clots
lymph fluid the lymphatic system collects and and returns to the bloodstream
lymph node small knob of tissue in the lymphatic system that filters lymph
cillia hairlike things that are on the outside of cells
pharynx throat
trachea windpipe
alveoli tiny sacs of lung tissue specialized for the movement of gases between blood and air
diaphragm large muscle located at the bottom of a mammal's rib cage: functions in breathing
larynx voice box
excretion process where waste is removed from the body
urea chemical that comes from the breakdown of proteins
kidney major organ of excretory system; removes urea and other wastes from the blood
ureter narrow tube that carries urine from one of the kidneys to the urinary bladder
urinary bladder sack-like muscular organ that stores urine until its removed from the body
urethra small tube where urine flows from the body
nephron small filtering structure found in kidneys that removes waste from the blood and produces urine
Created by: ReignsGirl