What is the function of alveoli?, Alveoli are tiny air sacs in the lungs where gas exchange occurs. Oxygen moves into the blood, and carbon dioxide moves from the blood into the lungs to be breathed out., Which blood vessels carry blood away from the heart?, Arteries carry blood away from the heart., How do the respiratory and circulatory systems work together?, The respiratory system brings oxygen into the lungs and removes carbon dioxide. The circulatory system transports oxygen from the lungs to body cells and carries carbon dioxide back to the lungs to be breathed out.

Exit Ticket

만든이
인쇄
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?