Answer:
A. Where does sugar enter the blood?
After eating food, in the intestine the glucosa is absorbed by an SGLT1 cotransporter who releases it to the bloodstream.
B. How can you tell where sugar enters the blood?
Making an analysis of its high concentration in the epithelial cells of the intestine
C. Where is sugar removed from the blood?
After traveling through the blood flow, the sugar enters the cells of the body that require it, for example, muscle cells. Excess glucose in the blood is removed by the kidney through urine.
D. How can you tell?
The filtration of glucose by the kidneys can be verified by an analysis of their co-concentrations in these renal cells and Medical tests of the urine sample.
C. people in location c would complain about foul taste in water
Protein, the building blocks of proteins are amino acids, different sequences and combinations of these amino acids result in huge numbers of proteins which have a variety of functions.
Two chambers - fishes (atrium and ventricle)
three chambers - amphibians (two atria and ventricle)
also reptiles have three chambers with incomplete separation in ventricle
crocodiles, birds and mammals have four chambers - two atria and two ventricles (complete separation)
other differences: arthropods and many other groups of invertebrates have an open circulatory system which means that vessels are open and blood/other fluid circulates partially in body cavity