Aperson with strong core muscles has improved posture and
a. reduced chance of injury.
b. reduced training time.
c. enhanced cardiovascular fitness.
d. the ability to lift free weights.

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.

Describe the potential effects, on people, of unprotected exposure to the sun.give an example of 1 new thing have you learned about the sun’s uv rays.

During polarizacion potassium has a blank charge sodium has a blank charge and calcium has a blank charge