<span>I suspect this question should read "How long does a red blood cell live." A red blood cell lives for between 100 and 120 days. It takes 7 days for a new red blood cell to develop from stem cells. Stem cells are similar to base cells. They can also be seen as a general template from which specialized cells are made. Stem cells can be taken from a newborn baby's umbilical chord or extracted from an adult blood donor's blood.This
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The circulatory system<span> is the transport </span>system<span> for </span>endocrine<span> information. While the nervous </span>system<span> uses neurons, the </span>endocrine<span> chemicals and hormones must circulate through the body via blood vessels. Many glands in your body secrete hormones into the blood.</span>
1. Nucleus
2.Different
3. Size
4. Adapted
5. Body
6. Job
7. Better
1. constant speed is a steady speed from start to finish, instantaneous is not constant from start to finish.
2. The average speed of the marble is 5 m/s (meters per second).
3. Rider 1 will arrive at the destination before Rider 2.
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