Two roller derby players trip each other and fall. One of them breaks a cartilage in her knee, while the other skater breaks a bone in her foot. Which one of them will take longer to heal? Explain your answer
What will be an ideal response?
Bone has an excellent blood supply, which will facilitate the healing process when the tissue becomes damaged. Cartilage has no blood vessels, which makes it more difficult for the cartilage to heal compared with other tissues.
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Why is each element unique with respect to its chemical properties? Each element has a distinctive _____
A) atomic mass B) number of electrons C) number of protons D) number of neutrons E) radioactive property
One method plants use to obtain phosphorus when it is in limited supply is:
A. by roots adhering to soil particles B. by roots growing deeper in the ground C. by roots associating with certain fungi D. by roots using passive uptake methods E. by roots binding the phosphorus
What are the three glands that produce the liquid portion of semen?
A. prostate, seminal vesicles, bulbourethral B. hypothalamus, prostate, Leydig C. Leydig, prostate, bulbourethral D. seminal vesicles, hypothalamus, bulbourethral E. seminal vesicle, Leydig, hypothalamus
A 25-year-old woman is in early labor. After delivering the baby (by a normal vaginal delivery), the patient asks the doctor about some symptoms she had during pregnancy, including discharge and painful urination. She has a history of multiple sex
partners and very rarely used condoms. You suspect a potential STD is the cause. The biggest risk at this point is ________. A) There is no major risk at this point. B) to the baby; he or she can be infected while moving through the birth canal C) to the mother; she may become infertile D) to the mother; an untreated STD is almost always fatal