Which of the following best describes what alveoli are?

Synovial fluid serves as a lubricant to prevent friction between two parts that move on each other such as in the case of and bones.

Explain why you would or would not have a lasik surgery if you wore contacts or glasses. describe how public opinions related to this surgery have changed over the years. in your own words, explain this surgery as though you are explaining it to someone who has no knowledge of the procedure

How do healthy family relationships affect members of a community?