Why is it important for scientists to develop a way to grow tissues that have a built-in system to supply blood?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

(amoeba sisters video recap: pedigrees and need

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.