D. friction pulls the skates wheels westward
Answer:
Higher
Explanation:
Molecules such as oxygen move from a higher concentration to a lower concentration across a semi-permeable membrane. This process is called simple diffusion.
Therefore, for oxygen to leave the alveoli and enter the blood, there would need to be a higher concentration of oxygen inside the alveoli and a lower concentration of oxygen in the blood.
Answer:
Organ- a group of tissues that work together to perform a common function
Organism- a living thing that is made out of organ systems
Organ system- a group of organs that work together
cell- the basic unit of structure and function of living things
Tissue- a group of cells that work together to perform a common function
Explanation:
Yes, stimulating it with electrodes can potentially help improve mood and alleviate symptoms in those who suffer from treatment-resistant depression, among other ailments.