Which type of cell reacts to protect threatened brain tissue? Schwann cells
Omicroglia
astrocytes
oligodendrocytes

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

Which anatomical plane is the only one that could not show both the sternal region and vertebral region