The coronary sinus is a modified vein that collects venous blood from all areas of the heart and drains it directly into the left atrium of the heart.
a. true
b. false
b. false
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The thinnest type of epithelial tissue is __________.
A. simple squamous epithelium B. pseudostratified columnar epithelium C. stratified squamous epithelium D. stratified columnar epithelium E. stratified cuboidal epithelium
In a tissue type that undergoes a relatively great deal of mechanical stress, like the tissue that lines the intestine, you would expect to see an abundance of ________ between the individual cells of the tissue.
A) gap junctions B) desmosomes C) focal adhesions D) tight junctions E) All are abundant in tissues resisting stress.
Which hormones are the main stimulating hormones in the postabsorptive state process of glycogenolysis?
a) Epinephrine b) Glucagon c) Cortisol d) Epinephrine and Glucagon e) Glucagon and Cortisol
A lack of exercise could
A) cause bones to become thicker. B) cause bones to store more calcium. C) result in porous and weak bones. D) cause bones to become longer. E) cause bones to lose their medullary cavity.