Answer:External respiration occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air. Internal respiration occurs in the metabolizing tissues, where oxygen diffuses out of the blood and carbon dioxide diffuses out of the cells.
Explanation:
(C) earth's outer iron core
this is because iron is magnetic and therefore forms a strong magnetic field
An anatomist studies the parts of the body by looking at the physical components of the that body part and identifying its functions. A physiologist looks at the mechanism at how a body part functions. The components of the eye according to an anatomist would be based on the different physical components of the eye while to a physiologist, the components would be based on the functions.