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45 terms

Unit 17 Human Body System

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integumentary
helps maintain homeostatis, sense organs
skeletal
supports body's framework, protects internal organs, works with muscle
Muscular
ATP triggers muscle movement
Digestive
breaks down food, absorbs nutrients and excretes waste
Endocrine
internal control of the body is driected by 2 systems of endocrine and nervous system
nervous
sends electrical and chemical messages
respirtory
gas exchange, air goes into bronchus then bronchioles then aviol
ciculatory
to circulate and regulate oxygen, and carbon
excretory
removes toxins, dead bacteria
reproductive
make kids
axil skeleton
supports the skull
appendicular skeleton
supports bone for movement
joints
found where two bones meet
ligaments
is touch band of connective tissue that attaches one bone to another
tendons
connects bone to muscle
bone marrow
a soft tissue inside the bone that produces blood cells
mechanical digestion
the physical breakdown of food or chemical digestion
chemical digestion
saliva has amalase
peristalsis
the process of wave-like muscle contractions of the alimentary tract that moves food along
pepsin
breaks down protein
bile
breaks fat
pancreatic juices
help digest food further
epiglottis
flap of skin to preven food or water going down the wrong tube
esophagus
tube that food and water go down
stomach
filled with hydrochloric acid has protein, and holds food
gall bladder
storage
pancreases
release enzymes that breaks down sugar, fats and proteins
small intestine
takes chyme from the stomach and sends it to the small intestine, enzymes from pancrease and liver digest food even more
large
takes waste from small intestine and removes it out the rectum, removes as much water and supplies vitamens B and K
endocrine
sends chemical signals
nervous system
electrical signals
sensory neurons
carry signals from outside world to spinal chord
motor neurons
carry response impulses away from the brain and spinal chord to a muscle
interneurons
in brain and spinal chord they process incoming impulsesand pass impulses to motor neurons
central nervous
brain and spinal chord makes descions
peripheral nevous system
all the nerves that branch off the spinal chord interact with the body and outside world
artery
carries blood AWAY from the <3
capillary
connect the braches of the arteries and veins
vein
carries blood from the tissue to the <3
sends waste to ureters
what is the job of the kidney
filtration
filters blood to remove waste products
reabsorption
take back as much water and good materials
secretion
urethra is a tube that secretes waste
direct, air, vector
how is a diseases transmitted
defend body against diseases and absorbs liquid
main function of the lymphatic system