Final Answer:
The lower concentration of proteins/amino acids in the blood of Y, as compared to X, may be attributed to differences in organ function and metabolic activity. While it's true that tissues may release some proteins into the blood, the overall balance between protein synthesis and degradation, organ function, and metabolic processes could result in variations in protein concentrations between blood samples.
Step-by-step explanation:
The concentration of proteins and amino acids in blood is dynamic and influenced by various factors. In the context of the scenario described in Q 9.b, the lower concentration of proteins/amino acids in the blood of Y could be due to differences in organ function and metabolic activity between individuals X and Y.
The synthesis and release of proteins into the blood occur as part of the normal physiological processes in the body. However, the balance between protein synthesis and degradation, along with the specific functions of various organs, can lead to variations in the concentration of proteins in the blood. For instance, differences in organ efficiency, metabolic rates, and nutritional status can impact the overall protein composition in the bloodstream.
Additionally, individual factors such as genetic variations, lifestyle, and overall health can contribute to variations in blood composition. Therefore, while tissues may indeed secrete proteins into the blood, the net result is influenced by a complex interplay of factors that contribute to the observed differences in protein concentrations between blood samples X and Y.