During physical activity of high-intensity your heart will be at a percentage of its maximum rate which rain shows the correct percentages during this type of activity a ) 40 - 50% b ) 52- 70% c ) 70 - 85% d ) 50 - 100%

The first muscles to develop in babies are those in the a. neck. b. trunk. c. arms. d. legs.

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.

Which of these contraceptive methods would be most beneficial for a female who wishes to avoid side effects or surgery?