A. being oxygenated in the alveoli, where oxygen is supposed to attach to the red blood cells (in the lungs)
Canada's “universal” health-care system is a little less universal when it comes to immigrants. All citizens and permanent residents are eligible for public health insurance, which covers most medical issues. Newcomers to Canada, however, may not have the same access to services.
Answer:
b
Explanation:
its not because you are smoking it is secondhand smoke
<span>Larry is taking a walk in the park. The pollen in the air makes him sneeze constantly. The line of defense that is his immune system exhibiting is that of "(A) f</span>irst line of defense." There are only 3 lines of defense in the immune system. The first line of defense <span>are a combination of physical and chemical barriers that prevent all types of foreign agents from penetrating the outer layer of the body. In this case, it is the nasal cavity.</span>
