The answer is an open system
Answer:
It doesnot have a nucleus to increase the surface area
Explanation:
Red blood cells carry oxygen from our lungs to the rest of our bodies .Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.
<span>It is considered to be a good source of the nutrient. It would mean that you could eat less and still get the recommended daily allowance, and would not gain weight. Diets rich in these foods would be considered healthy diets, and are highly recommended.</span>
Answer:
weakness of core muscle can lead to chronic back pain
Heat from the sun moves through space by the process called <span>electromagnetic radiation.
H</span>eat moves<span> in three different ways. They are radiation, conduction, and convection. Radiation happens when </span>heat moves<span> as energy waves, which are called infrared waves, directly from its source to something else. This is how the </span>heat from the Sun<span> gets to Earth.
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</em><em>I hope this helps! ~<3~</em>
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