Can calcium deposits on the spine cause lower back pain

How is the structure of our circulatory system and respiratory system related to the function of both these systems?

Which of the following statements is true? a. poll data show that a majority of americans accept gay and b. open discussions of sexuality are welcomed by all families, c. homophobic stereotypes rarely occur in the media anymore. lesbian relationships. religious grougs, and social networks. d. poll data show that bisexuality and homosexuality are viewed positively by all parts of society

Does indrect sunlight does not pose any danger to the skin