Answer:
A brain ventricle is a cavity in the brain with an open channel leading to it.
Explanation:
The brain and spinal cord are encased and protected by three layers of tissue, all called meninges. The outermost layer is called the dura mater, and covers both the brain and spinal cord. On either side of this layer, where it crosses or penetrates into these organs, are two extensions that look like small tubes coming from under a tent. These extensions are called cranial nerves because they come out on either side of the head just below its most prominent part - hence "cranial".
Answer:
<h3>A. Quackery</h3>
Explanation:
Quackery is practicing medicine, or other accredited health professions by a dishonest or an incompetent person with little or no professional preparation to do what he claims he can do.
A person who promotes or sells health product or service that is unproven or ineffective is describing as quack.
Quackery is a type of medical fraud that plays on human emotion, weakness, and fear.
So, the correct answer is "A. quackery".
Stimulants increase heart rate, increased blood pressure, constrict blood vessels, increased blood glucose
