cardiotonic is a drug or substance having a tonic effect on heart.
Answer:
The human brain is the most complex organ in the body.The brain regulates your body's basic functions, enables you to interpret and respond to everything you experience, and shapes your behavior.
Explanation:
Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body. This allows the drugs to attach onto and activate the neurons. Although these drugs mimic the brain’s own chemicals, they don’t activate neurons in the same way as a natural neurotransmitter, and they lead to abnormal messages being sent through the network.
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Answer:
The skull.
Explanation:
The cerebrospinal fluid is a clear fluid that serves as a nutrient delivey system for the brain, it also removes waste and acts as a cushion surrounding the brain and spinal cord. <em>Its leakage from the nose usually happens when there is a fistula between the dura and the skull base after a trauma.</em> This kind of fractures can lead to meningitis and surgery is needed.
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The answer is...
B) To ensure that you are constantly engaging your body in a way that improves its function
