Bio quiz #2
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what is a hierchy
level of measurment from least to most important
tissue
group of cells together to perform
organ
group of tissue together to form a function
organ system
group of organs working together to from a function
digestive system
made up of the digestive track. (mouth, esophogus, stomach, small and large intestine and anus)
circulatory system
transports substances around the body. (blood, heart, blood vessals)
artery
carries blod away from the heart
vein
carries blood to the heart
capillaries
small vessels that connect the arteries and veins.
respiratory system
provide cells with oxygen and excrete carbon dioxide.
musculoskeletal system
made of the bones and nerves in the body. provides support
central nervous system
brain and spinal cord. the bodys processing center.
peripheral nervous system
nerves that connect the body to the CNS
tendon
serves to move a bone. (connects muscles to a bone)
ligament
tissue that attatched bones
cartilage
thin bone
neuron
specialized cells that transmit electrical and chemical energy
4 types of tissue
epthelial, connective, muscle and nervous
organs in the digestive system
esophogus, stomach, small and large intestine, liver, gall bladder and pancreas
esophogus
moves food from your mouth to stomach
intestines
connective between stomach and anus, most digesting is done in the small intestine
liver
produces bile
gall bladder
stores and releases bile and chemicals
pancreas
produces insulin