Which of the following features do all gas exchange systems have in common Group of answer choices they are found only in animals they are exposed to air they are maintained at a constant temperature they are enclosed within ribs the exchange systems are moist

sabes la respuesta va a estar en la situación porque en la situación que estás pasando ahorita pues ahí está la respuesta

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.