- Some questions frequently asked by houseowners : i can't breathe! ?
♥ lately i have been having trouble breathing but mostly when i am doing homework or studying. i get this weird feeling and i can't take in deep breaths. i feel like i have no oxygen in my brain and i have to yawn in order to feel better but yawning doesn't work after a while. some of my friends say it's anxiety but the homework isn't alway hard. it could be a simple worksheet that i normally have no problem for. i don't know if it's something to worry about. is this stress or anxiety? because if it is, i don't even feel stressed out.how do animals that do not have lungs or gills breathe?
♥ it's for a worksheet.can you breathe through a tube when sitting at the bottom of a 4ft swimming pool?
♥ for a science worksheet about gases during heavy exercise, breathing rate increases because of what?
♥ i'm doing a worksheet in my biology two class and this is the only question i can't find. it's a multiple choice question and the options are: a. a decrease in the concentration of co2 b. a demand by the muscles for more co2 c. a nervous stimulus sent from the central nervous system to the lungs d. the action of the brain in response to an accumulation of co2 or e. none of the above please help!help on a reptile worksheet?
♥ my daughter is doing a worksheet about reptiles and i don't know the answer and neither does she. 1. reptiles get their oxygen from the _____, and they breathe entirely of lungs. for this next one it asks what are two functions of the scaly skin. she got protection, but i don't know if this is right, but i thought that it also protected them from the sun because they have sensitive skin? 3. what characteristics do both lizards and snakes have? i know their both reptiles (lol). but that isn't a characteristic. they both have scales, trhough. 4. how do snakes move? i know they slither around, but how do they do that? 5. how do crocidiles care for their young? ty so much! i am not the smartest peson.