Explain the developmental processes involved in B and T cell formation
What will be an ideal response?
Both cell types are derived from stem cells in the bone marrow. B cells differentiate in the bone marrow (thus the name). During fetal development and early childhood, lymphocytes migrate to the thymus and undergo maturation to become T cells (thus the name). Both cells upon being released from their origins move to peripheral lymphoid tissue where they can proliferate when needed.
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At rest, muscle tissue prefers to use _________ molecules as sources of fuel
A. pyruvate B. fatty acid C. insulin D. protein E. simple carbohydrate
The contraction of the diaphragm and the external intercostal muscles begins inspiration. Explain exactly what happens, in terms of volume and pressure changes in the lungs, when these muscles contract.
What will be an ideal response?
Which condition is characterized by rapid, uncoordinated contraction of cardiomyocytes?
A. Fibrillation B. Endocarditis C. Myocardial infarction D. Cardiac tamponade E. Congestive heart failure
The digestive action of the stomach begins when it is stimulated by the _____.?
A) ?gallbladder B) ?esophagus C) ?nervous system D) ?liver