What part of the blood to fight infection?
a. white blood cells
b. red blood cells
c. plasma
d. hemoglobin

Which is an effective way to prevent bullying and harassment

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

Which list shows the correct order of living units, from smallest to largest? 1: bone, osteocyte, periosteum 2: periosteum, bone, osteocyte 3: bone, periosteum, osteocyte 4: osteocyte, periosteum, bone