Answer:
D
Explanation:
<em>They</em><em> </em><em>are</em><em> </em><em>not</em><em> </em><em>used</em><em> </em><em>by</em><em> </em><em>the</em><em> </em><em>bod</em><em>y</em><em> </em><em>on</em><em> </em><em>daily</em><em> </em><em>basis</em><em> </em><em> </em><em>bec</em><em>ause</em><em> </em><em>they</em><em> </em><em>ha</em><em>ve</em><em> </em><em>less</em><em> </em><em>nutrie</em><em>nts</em>
The answer to your question is B- introduction of non-native animal species
Answer:
Inhalation.
Explanation:
Respiration may be defined as the process of exchange of gases between the body tissues, lungs and the outside environment. The oxygen is inhaled and carbon dioxide is exhaled out from the body.
Two phase of respiration are inhalation and exhalation. Inhalation is the the movement of oxygen inside the lungs and body tissues. The diaphragm contracts and moves downward which increases the space in chest cavity and the breathe can be held longest during this phase.
Thus, the answer is inhalation.
Answer:
Stomach mucus protects the gastrointestinal cells from the damage that gastric juices can cause. Gastric juices are very acidic and without the mucus, the acid can destroy the cells and tissues inside the stomach.