The area of the retina that lacks large blood vessels and is responsible for central vision is called the:
a. optic disk.
b. anterior chamber.
c. temporal retina.
d. macula.
Question 2
Dystrophin, the protein that is affected by muscular dystrophy, normally acts to
a. protect muscle fiber membranes during movement.
b. clear the interior of muscle fibers of excess calcium.
c. allow myosin and actin to interact during muscle contraction.
d. protect muscle spindles from too much stretching during movement.
Blood Pressure Cuff
The nervous system is described as having two interconnected divisions: the central nervous system (
Different parts of the body mature at different rates. “General” refers to the body as a whole: the
Anemic Red Blood Cells
Functions and Properties of Blood
Blood types and donor