Answer:
uhh either natural and reproductive pretty sure it's reproductive
Veins don’t always conduct oxygen poor blood. The pulmonary vein brings reoxygenated blood from the lungs into the heart
Answer:
leave the area exposed and untreated
Explanation:
They are capable of renewing and dividing (multiplying) themselves for long periods of time, they are unspecialized, and they can give rise to other specialized cell types. Hope this helps!! :)
Haiii !! I believe the third option to be reasonable
