Problem:
Question 1: Directional terms and planes. Choose the one correct statement.
A. The spinal cord is ventral to the bodies (centra) of the vertebrae.
B. The sternocleidomastoid muscles are cranial to the forearms.
C. The ilium and ischium bones are in the mid-sagittal (median) plane
of the body.
D. The neural tube is ventral to the coelom (in the embryo).
E. The nose is lateral and caudal to the clavicle.
Question 2: Scale and dimensions: The diameter of an average cell in the body is:
A. half a micrometer
B. 1 meter
C. half a millimeter
D. 10 centimeters
E. 10 micrometers
Include source of information for best answer.