The brain and spinal cord are covered by
a. synovial membranes.
b. visceral membranes.
c. meninges.
d. cerebrospinal fluids.

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Which organelle breaks down sugar molecules that supply energy to the cell ?

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass