Oxygen diffuses in which direction in the alveolus pictured above?

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

This is a negative reaction to food that doesn’t involve the immune system

Which of the following is a benefit of the affordable care act? select all that apply. improved quality of healthcare increased health insurance costs increased prescription costs improved protection against health care fraud small business tax increases