The functional unit of the kidneys is the ____________________
Fill in the blank(s) with correct word
nephron
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________ are fixed macrophages found in the liver.
Fill in the blank(s) with the appropriate word(s).
What group makes each amino acid unique?
A) amino group B) ammonia group C) "R" group D) carboxylic acid group
The pigment that is brown-black in color and abundant in dark hair is ________.
Fill in the blank(s) with the appropriate word(s).
Cells of the stratum spinosum have many interlocking desmosomes that will remain between the cells as they migrate to the stratum corneum. These cell junctions serve the body by ________
A) preventing ultraviolet light from penetrating the deeper layers of the epidermis B) allowing secretions like sweat or sebum to pass through C) preventing mechanical stress or trauma from damaging the epidermis D) stopping water loss and preventing dehydration