Assertion: embryo's stem cell | /r/AtLocation | blood
Facets:
Source sentences:
text: Adult stem cells can be found in many areas of the body, including the brain, bones and bone marrow, heart, blood, skin, and reproductive organs.
text: Neural stem cells occur in the spinal cord and in specific regions of the brain, and hematopoietic stem cells occur in the blood and bone marrow.
text: Adult stem cells, found in brain, bone marrow, muscle, skin, blood and liver tissue, can change into a limited number of cell types.