You may have noticed that after a large meal you have had some difficulty breathing. Which explanation is most accurate with regard to this situation?
A. The food presses on the bronchi, making air flow difficult.
B. The large quantity of food retards pulmonary blood flow.
C. Oxygen to the lungs is restricted due to fullness in the stomach.
D. A full stomach impedes contraction of the diaphragm, limiting inhalation.
D
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The collective term for the labia majora and the urogenital aperture is the ________
A) fimbriae B) urogenital sinus C) broad ligament D) vulva
Which of the following is the driving force pushing blood out of the heart?
A. Contractions of skeletal muscles B. Ventricular systole. C. Venous valves D. Respiratory movements E. Gravity
What are ryanodine receptors? What type of tissue are they present in? Are all ryanodine receptors regulated in the same way? Explain your answer.
What will be an ideal response?
The circulatory system does which of the following?
a. carries nutrients from the digestive system to all of the body's tissues b. protects the body from the spread of infection, by playing several roles in inflammation c. stabilizes the pH of extracellular fluids by buffering acids and bases d. carries metabolic wastes from the cells of the body to the kidneys for removal e. all of the above