What happens during inspiration (inhaling)?
A. The diaphragm contract and rib cage expand
B. The diaphragm relaxes and rib cage contract
C. diaphragm does not move rib cage expand
D. Only diaphragm contract
Answer:A
What happens during inspiration (inhaling)?
A. The diaphragm contract and rib cage expand B. The diaphragm relaxes and rib cage contract C. diaphragm does not move rib cage expand D. Only diaphragm contract