Which cellular process allows some animals to regrow lost limbs?

Regeneration, hope this helps

Explanation: Regeneration is the process from which plants and animals restore damaged or missing cells, body organs, and even body parts! I've done the exam. Have a good day!

It is used to during sexual reproduction between humans

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.