Answer:
In mammals, oxygen is carried through the red blood cells called hemoglobin. The reason is that the oxygen is very important for the cell for releasing energy. This energy is used by the cell in different processes.
2) These adaptations are adapted by the organisms in order to perform different functions. In slow twitch skeletal muscles having high number of mitochondria because it requires more energy while fast twitch skeletal muscles contains less amount of mitochondria due to low requirements of energy. These characteristics are adapted according to the performance of the body parts.
Answer:On this day in 1776, the Second Continental Congress adopted the United States Declaration of Independence in what is now known as ... Today, we celebrate our Nation's independence and the vision of our ... Over the past months, the American spirit has undoubtedly been tested by many challenges.
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Answer
La corteza terrestre temprana apareció hace aproximadamente 4.500 millones de años, después de las últimas etapas de acreción planetaria.
Answer:
Its cells have thick, hard walls.
Explanation:
