The answer is D. the curculitory system transports hormons.
FM radio waves and waves that are used in microwaves and radar are used by mobile phones.
Some characteristics of living things that a car has is that it can move around, it takes in liquid to break down to use, and it puts out carbon dioxide. The characteristics of living things can be used to show that a car is not living because living things can be broken down by other living things, they also can think for themselves, and can move without something controlling them. (Plants can too, but very slowly.)
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It means a continental drift occurred
During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.