plane that divides a structure into superior and inferior portions
plane that divides a structure into anterior and posterior portions, pertaining to the forehead.
refers to the length wise that divides the body in right and left portions. If the plane is in the middle of the body it is the median. all others are parasaggital.
refers to the imaginary midline dividing the body into equal right and left sections. A body part is medial if closer to the midline than another part.
Means toward the side away from the imaginary midline. (Ears are lateral to eyes)
is balance, stability, all things work for this purpose.
negative feedback loop
it is a system within the body that when something isn"t right it restores it. (Furnace)
means toward the front
means toward the back
means the body part that is above another body part
means a body part that is below another body part
are proteins that control the speed of chemical reactions in your body. The reactions would be too slow on their own to keep you alive. Some break down large molecules into smaller ones and other combine molecules to make bigger ones. They also help cells to communicate. Keeping cell growth, death and life under control.
the chemical bond between the atoms that share electrons (strongest bonds)
chemical bond that results when two ions form by transfer of electrons
bond between a hydrogen and an atom of oxygen or nitrogen between molecules or different regions of a very large molecule