Hormones secreted by the
1. raise the blood level of glucose.
2. regulate the pituitary gland.
3. maintain water and salt balance.
4. increase metabolic activity.

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.