<span>Bone marrow which is located <span>within the spongy or cancellous portions of bones is the essential site of new blood cell production or hematopoiesis. Bone marrow contains stem cells which able to differentiate into specialized cell types. People with diseases like blood cancers, such as leukaemia and lymphoma, sickle cell anaemia, and other rely on bone marrow transplantation to survive.</span></span>
Answer:
Open circulatory systems are advantageous to some animals because they use less metabolic energy.
Explanation:
Open circulatory systems are also known as lagoon circulatory systems. In this systems the blood is not necessarily always inside the blood vessels; It leaves the heart and will directly irrigate the organs and then return by other means or mechanisms.
So that it can be understood more easily, it is necessary to think about this system acting in organisms much smaller and less complex than mammals or any other vertebrate of greater size. As this animals doesn't have a great size, they need to use less metabolic energy than more developed organisms, so this system allows them to save metabolic energy to be used in other living functions.
Answer:
The correct answer is - stereotype threat.
Explanation:
Stereotype threat is a conditional or temporally predicting in which individuals are likely to feel or experience themselves to be a risk of conforming to stereotype about their social groups.
In this case blacks, academic performance shows the impact of stereotype threat which is allegedly a key factor to racial for long period in academic performance.
Thus, the correct answer is - stereotype threat.
<span>Well, deep ocean trenches form on a specific type of plate boundary called a subduction zone, and these zones occur when an ocean plate collides with another ocean plate. Hope I helped.</span>
