Answer:
Mechanical digestion refers to the physical breakdown of large pieces of food into smaller pieces which can subsequently be accessed by digestive enzymes. In chemical digestion, enzymes break down food into the small molecules the body can use.
Explanation:
processed
Explanation:
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Tobacco leaves and stems contain an addictive drug known as nicotine.
True
or
False
Nicotine is an addictive drug that is found in the leaves and stems of tobacco plants. It is a stimulant that can increase alertness, concentration, and energy levels. Hence the statement is correct.
Nicotine can also be addictive, and it can be difficult to quit smoking once you have become addicted. The amount of nicotine in tobacco leaves and stems varies, but it is typically highest in the leaves.
The nicotine content of tobacco leaves can range from 2 to 8%, depending on the variety of tobacco plants and the growing conditions. The nicotine content of tobacco stems is lower than the nicotine content of leaves, but it is still significant.
Nicotine is a dangerous drug, and it can have a number of negative health effects. These effects include:
Addiction. Nicotine is highly addictive, and it can be difficult to quit smoking once you have become addicted.
Heart disease. Nicotine can increase the risk of heart disease, including heart attack and stroke.
Thererfore, The statement "Tobacco leaves and stems contain an addictive drug known as nicotine" is true.
To know more about Nicotine:
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cardiovascular disease _____ your blood circulation
A. limits
B. increases
C. stops
Answer:
Option A
Explanation:
Cardiovascular disease limits your blood circulation.
Answer:
Limits
Explanation: