What unique characteristics would a person who is "double-jointed" possess?
What will be an ideal response
Double-jointed people do not have extra joints. They have greater flexibility in their articular capsules and ligaments. The resulting increase in the range of motion allows them to do such moves as touching their thumbs to their wrists and putting their ankles or elbows behind their necks. Unfortunately, such flexible joints are structurally less stable and are more easily dislocated.
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The superior mesenteric ganglion receives preganglionic sympathetic neurons from the _______ segments of the spinal cord
A. T1-T4 B. T2-T6 C. T5-T9 D. T7-T9 E. T10-T12
Blood capillaries that supply nourishment for the epidermis are located in the
A. subcutaneous layer. B. epidermis proper. C. reticular connective tissue. D. dermal papillae. E. epidermal ridges.
Which of the following is NOT true about CCK (cholecystokinin)?
A. Uses cyclic AMP as the second messenger to pancreatic acinar cells B. Stimulates the production of pancreatic digestive enzymes C. Controlled through a positive feedback loop D. Released in response to fat and protein in the chyme
The mass of an atom is the sum of its protons and electrons
Indicate whether the statement is true or false.