What description applies to accessory organs?
A) They aren't included in organ systems.
B) They secrete enzymes required for digestion.
C) They don't contain connective tissue.
D) They assist other organs in the circulatory system.
B
You might also like to view...
B cell receptors differ from T cell receptors in that
A. B cell receptor immunoglobulins can be secreted as antibodies, whereas T cell receptors are never secreted. B. B cell receptors are immunoglobulin in nature, whereas T cell receptors are not immunoglobulin molecules. C. B cell receptors are comprised of four polypeptides, whereas T cell receptors have only two polypeptides in their quaternary structure. D. B cell receptors have two antigen binding sites, whereas T cell receptors have only one antigen binding site. E. All of the choices represent differences between B cell and T cell receptors.
Most nutrients are absorbed across the epithelium of the
A. stomach. B. esophagus. C. small intestine. D. colon. E. large intestine.
In a urine analysis, too much protein in the urine can indicate
a. metabolic problems. b. an infection. c. malfunctioning kidneys. d. prostate cancer. e. bladder cancer.
Describe the Lyon hypothesis What will be an ideal response?