Answer:A black hole is a place in space where gravity pulls so much that even light cannot get out.
Explanation:
Answer
If Richard’s friend jumps in front of him and scares him, Richard’s sympathetic nervous system will take over and his parasympathetic nervous system will have a lesser role.
Explanation
The sympathetic nervous system is responsible for the activation of the flight/fight response. The extensive network of neurons regulates the involuntary processes of the body. Through the autonomic nervous system actions that occur without voluntary control are mediated. For example heart rate. The sympathetic and parasympathetic nervous systems complement each other will working.
Answer:
Safety can be defined as the control of recognized hazards to achieve an acceptable level of risk.
First aid is the first and foremost treatment given to the victim of sudden accident or injury.
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