What physical fitness component is the ability of the heart, lungs, and vascular system to deliver oxygen rich blood to working muscles during continuous physical activity?
a. muscular endurance
b. cardiovascular endurance
c. body composition
d. flexibility

Blood transfusions were rarely done and often fatal; they were outlawed until the nineteenth century.

Little kids are eat dirt all the time so im sure you are fine

The average resting heart rate (hrrest) for a 34 year old is 73 beats per minute2. 34 year old males average heart rates of 71 bpm while females average slightly higher at 76 bpm2. the normal resting heart rate range for all adults and children 10 and over is between 60 and 100 beats per minute3. 90% of 34 year olds resting pulses fall within the range of 54 to 92 bpm. in general, an adult's resting heart rate will be lower for those in better athletic condition.