The skin plays a major role in a. temperature regulation and sensation. b. synthesis and storage of proteins. c. retention of oxygen and excretion of carbon dioxide. d. absorption of vitamin a and certain drugs.

i it is d i hope it

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.