Most likely to be A which is probably an artery which carries blood away from the heart Nd tens to carry oxygen rich blood
the leg doesnt contain aveoli this is found in the lungs so its not B
since its oxygen rich little carbon dioxide will be present in this structure so its not C
this part cant be part of the respiratory system as the respiratory system includes lungs, mouth and etc but not the legs so it cant be D
hope that helps
Alveoli are found in lungs and exchamge O2 and Co2 !!
so answer is last one !!
You have to think of contaminated water if it were to evaporate it can effect the water cycle of an environment
Educate Your Friends, Colleagues, and Families on the Global Goals
They add nitrogen to the soul through their nodules !
