Which cellular process allows some animals to regrow lost limbs?

Regeneration

Explanation:

Some animals replace missing parts by first growing a blastema, something that develops cells. These blastema cells divide to form the skin, the bone, the muscle, etc needed for creating the missing limb.

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!

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .