Answer:
yes it was
Explanation:
according to a timeline I have seen
An extended amount of time
Answer:
neurons are the functional units of the nervous system.they are present in millions in the human body
An arteriovenous fistula is the joining of your vein and artery to make a safer, faster connection for your dialysis.
An arteriovenous graft is similar, but uses a tube that we put in, instead of relying on the vein and artery alone.
