Answer:
Blood cells are produced in the bone marrow of the body more specifically they become blood cells from first being stem cells which then divide until they reach a mature red blood cell stage. ( or other types of cells, stem cells are like the blank template for either red blood cells, white blood cells, or platelettes.)
Explanation:

<em>The next time you wake in the middle of the night and need to make a trip to the kitchen or the restroom, cover one of your eyes with your hand before turning on any lights. You'll save the night vision (a.k.a. Sharingan) in that eye. The effect is trippy.</em>
Started with the same two groups: Plants and Animals. ... This is called a binomial naming system and it has two parts. The first part of the species name identifies the genus to which the species belongs; the second part identifies the species within the genus.
<span>polar heads outside the cell
non polar head inside the cell</span>
People starting to eat healthy