Which of the following hormones is currently thought to decrease plasma calcium levels in pregnant women and children? a) calcitoninb) thyroid hormonesc) parathyroid hormone (pth)d) calcitriol

Which type of neuroglia is found outside of the brain?

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.

The smallest parts of these that retain their original properties are called