The cardiovascular system works closely with the __ system, which takes oxygen out of the air and makes it available for our cells to use.

A. Endocrine

B. Excretory

C. Digestive

D. Respiratory

Which ancient civilization place a great deal of the importance are practicing a healthy lifestyle including exercise and eating right

Which would increase the rate of dissolving salt into water? A: low temperature B: little to no agitation C: more surface area D: darker colors

How many joules are in 148 calories? (1 cal = 4.18 J) A. 6.61 J B. 35.4 J C. 148 J D. 619 J.

How can we calculate force

Ultraviolet and infrared radiations are members of the electromagnetic spectrum what are the two properties that makes them different?

A person consumes a snack containing 14 food calories (14kcal). what is the power this food produces if it is to be "burned off" due to exercise in 6 hours? (1 cal=4.186 J). A. 9763 W B. 2.7 W C. 0.6 W D ...0027 W

Ignoring air resistance, if you throw a baseball from first base upwards toward a friend in left field, and the baseball leaves your hand at a speed of 15 meters per second, how fast will the ball be going when your friend catches it?

The average kinetic energy of the particles in a sample of matter is expressed as

Which waves in the electronic spectrum are considered los energy waves?

The leader of a bicycle race is traveling with a constant velocity of + 12.60 m/s and is 11.4 m ahead of the second-place cyclist. the second-place cyclist has a velocity of + 9.20 m/s and an acceleration of + 1.50 m/s2.