Answer is D. Because the chemoreceptors located in the carotid and aortic bodies monitor the concentration of carbon dioxide and oxygen in the arterial blood.
If you aren't checking yourself then you may have a problem. For example you could have testicular cancer and you wouldn't know without feeling an unusual bump in that area.
Center for disease control, national institute of health, occupational safety and health administrations.
Ethnocentrism
-noun
evaluation of other cultures according to preconceptions originating in the standards and customs of one's own culture.
Answer:
Options B and D
Explanation:
In animals, gaseous exchange takes place in the alveoli in the lungs. Generally, animals breath-out (exhale) carbon dioxide and breath-in (inhale) oxygen. Thus, carbon moves from the blood in the form of carbon dioxide into the alveoli in the lungs while the oxygen inhaled moves from the alveoli in the lungs to the blood where it is transported round the body as oxyhaemoglobin.
