Answer: After seven months.
Explanation:
The blood carries various substances that must be transported from one part of the body to another. Red blood cells are an important component of the blood because their function is to carry oxygen to the body tissues and exchange it for carbon dioxide, which is carried and removed by the lungs.
Erythropoiesis is the process of red blood cell (erythrocyte) production. It is stimulated by a decrease in O2 in the circulation, detected by the kidneys, which then secretes the hormone erythropoietin. This hormone stimulates the proliferation and differentiation of red blood cell precursors, which triggers an increase in erythropoiesis in hematopoietic tissues and ultimately in the production of red blood cells. <u>In adults, red blood cells are formed in the red bone marrow.</u>
In early developing fetuses, erythropoiesis occurs in the mesodermal cells of the yolk sac. In the third or fourth month, erythropoiesis moves to the liver. After seven months, erythropoiesis occurs in the bone marrow.
<span>The best source of stem cells which also minimizes the risk associated with stem cell transplantation</span> are stem cells preserved from the umbilical cord of the person. <span>Stem cell transplant is the process in which diseased cells are replaced by the stem cells collected at the time of birth from umbilical cord blood or bone marrow.</span>
<span>d. The majority of bacteria on earth can cause disease, if given the opportunity.
Most bacteria don't cause disease and some are even beneficial to the body (good bacteria). </span>
The answers for 1 are…..
a) The process is called glucose homeostasis.
b) i) The hormone is Glucagon.
ii) The organ is the pancreases.
iii) The compound is is pyruvate?
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