Answer:
hm
Explanation:
I wish i knew this and dont just want points
I think it is archaebacteria
or maybe virus
most probably archaebacteria idk
They move blood through out your body
Villi provides absorption of nutrients and it's important to have that in the small intestine. As the small intestine mostly collects of nutrients of digested food. They improve absorption by providing surface area and where nutrition can be collected
