If a molecule is too large to slip through the spaces in the membrane, how will that molecule enter the cell? a. the molecule will shrink so that it can fit in the spaces. b. the molecule will move through a protein channel. c. the molecule will not enter the cell.

the answer is "a.) well–developed vascular system."

explanation:

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation: