The chambers that have just emptied when the second heart sound is heard are the __________.
Fill in the blank(s) with the appropriate word(s).
ventricles
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Which of these bones does not contribute to the region known as the pterion?
A. Frontal B. Sphenoid C. Occipital D. Parietal E. Temporal
Johnny fractured the lower third of his right tibia in a skiing accident. The soft tissues in the area were severely damaged and their surgical removal was necessary. After prolonged immobilization, it was found that Johnny was healing very poorly. The explanation offered by the orthopedic surgeon was that vascularization of the fracture site was still inadequate and good healing was absolutely
dependent upon an adequate blood supply. Describe how a long bone receives its blood supply and trace the path of nutrient delivery to the osteocytes. What will be an ideal response?
Answer the following statements true (T) or false (F)
1. The wall of the stomach is unique wall because it contains two muscle layers rather than one. 2. When the stomach is empty, its lining lies in folds called chyme. 3. The body of the stomach is the enlarged portion of the stomach that is to the left and above where the esophagus opens into the stomach. 4. The pyloric sphincter regulates the movement of food from the stomach into the small intestine. 5. Plicae and villi increase the surface area of the inner wall of the small intestine.
The exchange of O2 and CO2 between the external environment and lungs is known as ____________________
Fill in the blank(s) with correct word