WAEC - Biology (1998 - No. 15)

Which of the following does not happen during inspiration?

intercostal muscles contract

Ribs move forward

Thoracic cavity increases

Diaphragm relaxes

Internal air pressure decreases

댓글 (0)

광고

자바스크립트가 이 페이지를 올바르게 로드하도록 허용