Males of average height have about 4 grams of iron in their body, females about 3.5 grams; children will usually have 3 grams or less. These 3-4 grams are distributed throughout the body in hemoglobin, tissues, muscles, bone marrow, blood proteins, enzymes, ferritin, hemosiderin, and transport in plasma.
Answer:
Killer T cells release enzymes that help destroy invading foreign matter (antigens), Helper T cells, on the other hand, stimulate another type of lymphocyte known as B cells. B cells produce antibody, which is a protein made in response to a specific antigen.
The statement '' there is a correlation between rainfall amount and the monsoon season in Arizona is TRUE. A correlation is an association between two variables.
A correlation can be defined as an association between two different variables or sets of data.
This type of association (correlation) may be positive or negative depending on how the absolute values of both variables change over time.
A correlation can be classified as causal or not causal depending on the type of association between both variables.
Learn more about correlation here:
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<span>Unidirectional flow in the heart is ensured because the heart contains valves that prevent backflow.
These valves keep the flow of the heart going in one direction (hence the name "unidirectional").</span>
