because the brain thinks youre panicking, and when you panick, you need more blood going through your system. so then the brain tells the heart to beat faster to get alot more blood flowing.
Generally you breath slower when asleep.
your breath
your breath
Which is quicker? Heat or Cold!!! 'Heat, because can 'catch (a) cold'.
We breath faster after doing exercise so our hearts can pump more blood around our body as we need it.
when you breath faster you heartrate goes up what make breath heavier.
Because the smaller you are the faster you breath
frighten is a verb. It can be used with both singular and plural subjects and objects, e.g.:They frighten meI frighten them
your heart beats faster because when you do exercise you get out off breath so you breath in more oxygen, as you breath faster your heart rate will rise to pump blood around the body, by your heart pumping blood round the body you are getting more oxygen in your body.
The past tense of frighten is frightened.
"This movie will frighten you."
because they have less alveoli