What occurs when the bronchioles end in tiny air sacs called alveoli? will TRY to mark brainliest correct answer only!!

Which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.

What factors are contributing to the increase in obesity among children?

Susan’s wrist is tired from typing on her keyboard all day. she moves her wrist in a circle to stretch it out. what type of movement does her hand make around her wrist?