Aphysician examines a patient who complains of breathing problems. she finds fluctuations in the patient's blood pressure and heart rate. the physician thinks it's because of a brain injury. which part of the brain is affected? a. cerebellum b. cerebrum c. medulla oblongata d. midbrain e. pons

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Any sound above what db can cause hearing loss in human beings