Answer:
d. Smoking
Explanation:
Nicotine is a chemical found in many plants such as tobacco. It is one of the 4000 chemicals that tobacco presents and the main component that acts in the brain.
This chemical is absorbed through the skin and lining of the mucosa of the nose and mouth, or in the lungs by prior inhalation. Nicotine can quickly reach the bloodstream and brain and reach maximum levels. The action of smoking cigarettes causes nicotine to reach the brain in just 10 seconds after inhalation. Although the acute effects dissipate in a few minutes, they cause the need to continue the intake of the substance (addiction)
<span>If the victim of a toxicologic emergency vomits, an emt should observe the vomitus for fragments of pills or look for other signs to properly care for the victim.</span>
Enzymes are organic catalysts which aid in facilitating chemical reactions in the body. When functioned properly homeostasis is maintained.
Answer:
Image result for Explain how cells are related to living things.
Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function. Cells are the basic structures of all living organisms. Cells provide structure for the body, take in nutrients from food and carry out important functions.
Explanation:
Look it up if you are stressing.
