In which organism does the respiratory system bring air directly near all the body's cells so that the circulatory system is not a main transporter of oxygen to the cells? a. tree frog b. mosquito c. shark d. lion

A. Tree , because trees release oxygen through photosynthesis

A.tree we release carbon dioxide nd the trees absorb it and produce oxygen

1. when the tempature rises,your sweat glands and then springs into action making perspiration. some sweat evaporates with your skin taling heat with it.2.some of the blood pumped by the heart travels by your lungs to get rid of carbon dioxide and pick up oxygen.3.saliva produces by, you drinking water which saliva is 98% of. when mucus builds up in your body it also creates saliva as well as, antibacterial compunds.4.when the core body tempature drops, the shivering reflex is triggered to maintain homeostasis. for example: when you get out the pool you start to shiver because it is cold.