To maintain homeostasis, the respiration system depends on the nervous system for signals to

a. exchange gases with circularly system
b. enhance the amount of available oxygen in the lungs
c. release enzyme to increase the the exchange of gases
d. coordinate the muscles the control breathing

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.

i think that c)gold was found there

but i am not sure

i need an image of the diagram

they dont have any evidence