Which of the following statements is true? A. Asthma rates are rapidly increasing among children.
B. Asthma rates are rapidly decreasing among children.
C. People who are thin are at increased risk for asthma.
D. Asthma is annoying but does impact a child's quality of life.

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

Anutritional study should take all of the following into account except taste in music. family medical history. work and home responsibilities. lifestyle factors, such as smoking or alcohol consumption.

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells