Blood cells are produced in which system?
a. circulatory system
b. immune system
c. skeletal system
d. endocrine system

Which of the following is not a possible cause of conduction deafness? a) cochlear nerve degeneration b) middle ear infection c) impacted cerumen d) otosclerosis

What are reasons people use tobacco

10. what is empathy? the tendency to compete within the family the ability to read another’s mind the tendency to think of yourself first the ability to understand another’s thoughts or feelings