Well, plants go through a phase Called photosynthesis. They take in sunlight, carbon dioxide (our exhale), and water to make sugar. Sugar is their supply of food, and the waste they make. It's oxygen (what we inhale)
Yea im going to go ahead and say its c to
Answer:
chronic obstructive pulmonary disease,Hypoxemia
Explanation:
Anything that will cause a loss in Oxygen will result in lower oxygen saturation. If you are deprived of Carbon monoxide then that can cause it to decrease .. if there is a decrease in hemoglobin that can be a cause too.
This is false. The tube that leads from the mouth to the stomach is called the esophagus. The trachaea leads from the mouth to the lungs, and is used in respiration, not digestion.
Hope that helped! =)