What is the alveolar-capillary membrane? O the layer of cells through which gases are exchanged
the layer of cilia that traps debris from entering lungs
O the pathway to the lungs from the trachea
O a pulmonary artery that exchanges gases

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world

If your blood becomes too concentrated with iona, what will happen to the red blood cells

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.