The fight or flight system is a reaction that the body undergoes when put in an either stressful or frightening situation. It includes both the nervous and endocrine system.
The sympathetic division of the peripheral nervous system is used in this response as the sympathetic nervous system works up the body, increases the rate of breathing, heart rate, dilates the pupils, produce more sweat and slow the digestion rate. This reaction happens in the flight or fight system.
Answer:
Photosynthesis, Decomposition, Respiration and Combustion.
Explanation:
C the ozone hole does not affect the global temperature
Answer:
Rocks.
Explanation:
Scientists study rocks from the Precambrian period because isn't really a significant fossil record from the Precambrian.
The US parks were originally developed to conserve the scenery and the natural and historic objects and the wild life in it and to provide and promote the enjoyment of the parks in such a way that it will be left intact for the future generation.