Answer:
a.) units
Explanation:
just took the test and got it right
<span>The question says,' the purpose of the mucus found within the respiratory system is to .............. The correct option is B. The mucus found in the respiratory system function by trapping foreign particles that enter into the lungs especially thorugh the nose during breathing, thus mucus aid in protecting the lungs.</span>
Answer:
Water and energy
Explanation:
Water and carbon dioxide are exchanged between the ocean and the atmosphere. Carbon dioxide is taken out of the atmosphere by photosynthesis into plants to produce ENERGY.
Answer: A) Organisms have cells with different shapes and functions.
Explanation: The cell theory explains that all organisms and plants are made of a basic structure or units, cells.
