What are your 3 fitness goals for this upcoming year of 2021? How do you plan on achieving this? minimum 3 paragraph if you answer this thank you so much

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

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.

How can a general chart for physical activity recommendations patients improve their overall health?