1) what are the four systems involved in nutrition? a) heart untera muscles b) digestive,excretory,circulatory and respiratory systems 2) where does digestion star? a) ln the mouth b) in de anus 3) what do the kidneys do? a) mouth b) they filter the blood and produce the urime 4) what is the pathway of air from the mouth/nose to the aleovi? a) mouth~trache~bronchi~bronchiole~aleovi b) contras~nose~ 5) ehat organ pumpus blood around the body ? a) trachea b) the lungs c) the veins d) The heart 6) which organ forms waste after absorbing water? a) large intestine b) small intestine 7) what organ stores urine ? a) the unteres b) the bladder 8) why do we breathe faster when we execise? a) because our muscles need more oxygen b) aleovi

science😁

๋งŒ๋“ ์ด
인쇄
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

์ž๋™ ์ €์žฅ๋œ ๊ฒŒ์ž„์„ ๋ณต๊ตฌํ• ๊นŒ์š”?