Answer:
An explosion of a star= Supernova
The dense remains of a star= Neutron star
A large mass of gas and dust= Nebula
Explanation:
Cleavage lacks the growth phase of mitosis resulting in progressively smaller cells
Endoplasmic reticulum is the answer.
Digestion is the process by which food and drink are broken down into their smallest parts so that the body can use them to build and nourish cells and to provide energy.