I think that you are 13-15 I’m still typing have a food day if your reading this
The answer is the third one! i learned it in class
Capillaries<span> are the smallest of the body's blood </span>vessels<span>. They are only one cell thick, and they are the sites of the transfer of oxygen and other nutrients from the bloodstream to other tissues in the body; they also collect carbon dioxide waste materials and fluids for return to the veins.</span>
Answer:
well, planned exercise is where you use official exercise equipment.
activities of daily living is where you exercise by just doing what you normaly do. ( walking up/down stairs ...)
Probably a magnifying glass
