Heart rate. <span>From this site, the two channels of the autonomic nervous system originate the sympathetic and parasympathetic components. The sympathetic components increase heart rate by releasing the neural hormone catecholamines - epinephrine and norepinephrine. These hormones are cardio accelerators. Acceleration of the heart rate is called tachycardia.</span>
Answer:
ATP
Explanation:
atp is the main source of energy for many cellular processes including muscle contraction and cell division.
High pressure. Clouds form due to air rising so if the pressure is high, it pushes down on the air which prevents cloud formation.
