If an outdoor runner develops a headache, feels tired, and has an elevated heart rate, what is the most probable cause?
a. insufficient calories
b. overhydration
c. dehydration
d. lack of protein

Scientist wanted to formulate a pool to attack a specific type of bacteria that infects with you. what biological component would be best to use as a model for the pills function?

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.

Explain how light energy is turned into chemical energy? ! due tomorrow!