Your system must be on constant guard against invading bacteria, viruses, parasites, or other foreign substances to your body.
a. respiratory
b. excretory
c. integumentary
d. immune

Ay i hate cuz my peepee be small

Aperson is most likely to recover from a viral infection if the infected cells ) can undergo normal cell divisionb) can carry on translation, at least for a few hoursc) produce and release viral proteind) transcribe viral mrna

Me d: which system contains the heart, blood, and blood vessels? a. muscular b. circulatory c. respiratory d. digestive which system contains the pituitary, adrenal, and thyroid glands? a. respiratory b. circulatory c. endocrine d. reproductive