Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate.
Answer:
each sense ( eyes ears nose mouth ect.) sends electrical pules through the nerves or "messages" to the brain. which then processes it and turns it into information so that you can understand what you are seeing, hearing, tasting ect
does that help?
B.when the eye reaches the land mass
Can you please take a picture of the question. Because I don’t understand it in this format
Answer:
True
Explanation:
Fixation converts nitrogen in the atmosphere into forms that plants can absorb through their root systems. A small amount of nitrogen can be fixed when lightning provides the energy needed for N
