Naveen fainted in school playground while playing. The doctor said that his brain did not get proper oxygen supply.
It means that his _________ system may have a problem.
A Reproductive
B Circulatory
C Skeletal
D Excretory
Naveen fainted in school playground while playing. The doctor said that his brain did not get proper oxygen supply.
It means that his _________ system may have a problem.
A Reproductive
B Circulatory
C Skeletal
D Excretory