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Cells (Organs (It is several kínder of tissues working together, Heart …
Cells
Organs
It is several kínder of tissues working together
Heart :<3:
It pumps blood
Lungs :star:
Takes in oxigen
Small intestine and large intestine
Help you digest food
tissue
There are four kinds of tissue in our body
muscle tissue
connective tissue
epitelial tissue
nervous tissue
.
.
respiratory system :star:
It is form by nouse traquea lungs alveoli and bronchi
animals also have respiratory system :check:
these estructures are use to exchange oxigen
in winter we can get sick very easy of the respyratory system :!!:
Organ system
An organ system are organs working together for the same function :check:
An example is the digestive system
:star:
An example is the ciculatory system :star:
