Answer:
Reduced levels of the neurotransmitters serotonin and norepinephrine may also contribute to the development of ADHD.
Explanation:
By stimulation of the organ through exercise.
Answer:
C.
Explanation:
Balance and flexibility are important in soccer and gymnastics.
Hope this helps, have a great day.
Look at your R-R ratio, depending on the time segment attributed to each square you can then do the math and find time between waves, then find the number of R waves in minute
