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human body studyst.

human body study stack.

Words Def
homeostasis Conditions inside the body of an living thing to stay pretty much the same even when outside environment conditions .
joint Point at which parts of an artificial structure are joined.
spongy bone Meshwork of spongy tissue.
compact bone Two types of osseous tissue that form bones.
cartilage A connective tissue that is more flexible than bone and that protects the ends of bones.
ligament Strong connective tissue that holds bones together in movable joints.
tendon Strong connective tissue that attaches muscle to bone.
red marrow Soft connective tissue inside the bone that produces red blood cells.
yellow marrow Soft connective tissue inside the bone that sores fat
skeletal muscle Muscle that is connected to the skeleton to form part of the mechanical system that moves the limbs and other parts of the body.
striated muscle A muscle that is attached to bones in the body.
smooth muscle A muscle that works automatically in your body, such as those involved in digestion.
cardiac muscle A muscle that is found only in the heart.
integumentary system Protects the body from various kinds of damage
epidermis Outer layer of cells covering an organism, in particular.
dermis Layer of skin between the epidermis
melanin Pigment in a pigmented melanoma.
follicle Small secretory gland.
mechanical digestion Breaking down of food into smaller particles
chemical digestion Process through which the body of a mammal reduces food to a size where the nutrients .
epiglottis A flap of tissue that seals off the trachea and prevents food from entering.
peristalsis Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system.
esophagus, A muscular tube that connects the mouth to the stomach.
absorption The process by which nutrients pass from the digestive system into the blood.
villus Small intestine through which digested food is absorbed.
pacemaker Small electrical machine put inside a person to make the heart beat evenly
artery Any one of the tubes that carry blood from the heart to all parts of the body
capillary One of the many very small tubes that carry blood within the body : the smallest kind of blood vessel.
vein Tubes that carry blood from parts of the body back to the heart
plasma Substance that is similar to a gas but that can carry electricity
red blood cell Red-colored blood cell that carries oxygen from the lungs to other parts of the body.
hemoglobin Blood that contains iron, carries oxygen through the body, and gives blood its red color.
white blood cell Clear or colorless cell in the blood that protects the body from disease.
platelet Small, round, thin blood cell that helps blood to stop flowing from a cut by becoming thick and sticky.
lymph Fluid that circulates throughout the lymphatic system.
lymph node Many rounded masses of tissue in the body through which lymph passes to be filtered and cleaned.
cillia Tiny hairs in noise
pharynx Avity behind the nose and mouth, connecting them to the esophagus.
trachea larynx to the bronchial tubes and conveying air to and from the lungs.
alveoli Exchange of oxygen and carbon dioxide takes place.
diaphragm Dome-shaped muscle that works with your lungs to allow you to inhale .
larynx Air passage to the lungs and holding the vocal cords in humans
excretion Process of eliminating or expelling waste matter.
kidney pair of organs that are found on either side of the spine, just below the rib cage in the back.
ureter Urine passes from the kidney to the bladed.
urinary bladder Collects urine excreted by the kidneys before disposal by urination.
urethra Tube that leads from the bladder and transports and discharges urine outside the body.
nephron Any of the small tubules that are the excretory units of the vertebrate kidney.
az Defense against pathogens .
pathogen An organism that causes disease.
immune response The defense against pathogens .
antibody A cell that recognize a hormones chemical structure.
stimulus Change in an organisms surrounding that causes the organism to react.
response Process by which cells break down simple food molecule
neuron A specialized cell transmitting nerve impulse.
dendrite Short extension of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body.
axon Contain neurotransmitters of various kinds, sometimes more than one.
nerve Message carried by a neuron.
sensory neuron Nerve cell that conducts impulses from a sense organ to the central nervous system.
interneuron A neuron that transmits impulses between other neurons, especially as part of a reflex arc.
motor neuron Nerve cell forming part of a pathway along which impulses pass from the brain or spinal cord to a muscle or gland.
synapse Small gap separating neurons.
central nervous system Nerve tissues that controls the activities of the body.
peripheral nervous system The nervous system outside the brain and spinal cord.
somatic nervous system Part of the peripheral nervous system associated with the voluntary control of body movements via skeletal muscles.
autonomic nervous system Nervous system responsible for control of the bodily functions not consciously directed.
reflex Action that is performed as a response to a stimulus and without conscious thought.
hormone Regulatory substance produced in an organism and transported in tissue fluids.
endocrine gland Glands take on the critical task of releasing hormones.
target cell Abnormal red blood cell with a ringed appearance associated with anemia.
Created by: adajahhoran