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From which plant cannabiniods are obtained? Name any two cannabinoids. Which part of the body is effected by consuming these substances? - Biology

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प्रश्न

From which plant cannabiniods are obtained? Name any two cannabinoids. Which part of the body is effected by consuming these substances?

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उत्तर

Cannabinoids are obtained from the inflorescence of the plant Cannabis sativa. Marijuana, hashish, charas, and ganja are some of the cannabinoids. These chemicals interact with cannabinoid receptors of the body, mainly present in the brain. Cardiovascular system is affected adversely.

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अध्याय 8: Human Health and Diseases - SHORT ANSWER [पृष्ठ ५९]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
अध्याय 8 Human Health and Diseases
SHORT ANSWER | Q 16. | पृष्ठ ५९

संबंधित प्रश्न

A typical value of resting membrane potential is ______.


The Avena curvature is used for bioassay of ______.


Which of the following affect the central nervous system?


Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be ______.


The outline structure of a drug is given below.

  1. Which group of drugs does this represent?
  2. What are the modes of consumption of these drugs?
  3. Name the organ of the body which is affected by consumption of these drugs.


Many secondary metabolites of plants have medicinal properties. It is their misuse that creates problems. Justify the statement with an example.


What are lifestyle diseases? How are they caused? Name any two such diseases.


Drugs like LSD, barbiturates, amphetamines, etc., are used as medicines to help patients with mental illness. However, excessive doses and abusive usage are harmful. Enumerate the major adverse effects of such drugs in humans.


The data below shows the concentration of nicotine smoked by a smoker taking 10 puffs/minute.

(a) With reference to the above graph explain the concentration of nicotine in blood at 10 minutes.

(b) How will this affect the concentration of carbon monoxide and haembound oxygen at 10 minutes?

(c) How does cigarette smoking result in high blood pressure and increase in heart rate?

OR

(c) How does cigarette smoking result in lung cancer and emphysema?


  • Assertion: Smoking can raise blood pressure and increase heart rate.
  • Reason: Nicotine stimulates adrenal glands to release adrenaline and noradrenaline into the blood circulation, both of which raise blood pressure and increase heart rate.

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