The substance that is part of the medium inside and outside your cells, that carries nutrients to, and waste products from cells, that maintain body temperature, and acts as a lubricant and protective cushion is:

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Can someone pretty me with this ? it’s urgent.compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?