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. dehydration c. lack of protein d. overhydration

Which term defines one's age as measured by how well the body is working? chronological age biological age social age mental age

Write a journal at least 1 paragraph. in your mind, how do you define psychology right now? when do you think psychology began? what do you think modern psychologists do?

The maximum blood pressure in the upper arm of a healthy person is about 120 mmhg. if a vertical tube open to the atmosphere is connected to the vein in the arm of the person, determine how high the blood will rise in the tube. take the density of the blood to be 1040 kg/m3.