Answer:
Explanation:
The use of ointment for bacterial treatment does not fall into the first line of defence.
The first line of defence are physical (skin,tears, mucus) and chemical barriers( white blood cells also called neutrophils) which are prepared to defend the body against infection. The skin which is one of the first line of defence is a barrier that prevents entry of microorganisms the body. When the first mechanism is not effective especially for pathogens then the second mechanism is activated to get rid of the microorganism.
The use of ointment does not belong to any barrier or defence mechanism this is because it is not a natural way of getting rid of microorganisms within the body system.
The statement about air pollution that is false is that "air pollution is only a problem in the developing world. Air pollution effects are reached across the globe.Air pollution comes from power plants, smog in big cities, cars, factories, and even volcanoes. Some air pollution can't be seen such as that from a swamp. A swamps methane gas contributes to the pollution. In the U.S, the EPA sets laws to help reduce the air pollution damage done by places like coal-run power plants.
Explanation: The stretch-shortening cycle (SSC) refers to the muscle action when active muscle lengthening is immediately followed by active muscle shortening. ... The stretch-shortening cycle (SSC) refers to the muscle action when active muscle lengthening is immediately followed by active muscle shortening.
When the kidney's own blood supply decreases, they release<u> renin, </u>which leads to secretions of aldosterone from the adrenal cortex.
Renin is an enzyme produced by certain kidney cells. It is a component of the renin-angiotensin-aldosterone system, which regulates blood pressure through a chain of reactions. Specifically, renin regulates the adrenal glands' synthesis of the hormone aldosterone.
- Renin transforms angiotensinogen (a liver-produced precursor to angiotensin) into angiotensin I. Angiotensin is a hormone that causes constriction of the blood vessels.
- Angiotensin I is then converted to angiotensin II. Angiotensin II constricts blood vessels and promotes aldosterone release.
- Aldosterone helps the kidneys retain water and salt, thereby boosting the body's water content. This causes the blood pressure to rise.
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Answer:
The correct answer is -
Reactants - oxygen and cellulose.
Products - carbon dioxide and water (carbon residues sometimes)
Explanation:
Burning wood is a chemical reaction that involves a reaction between reactants and produces products with energy. In this chemical reaction, the reactants that take part are oxygen present in the atmosphere and cellulose (wood made up of cellulose).
In this reaction a lot of energy or heat loss takes place and at the end of the reaction carbon dioxide and water produces. however, sometimes other substances also present.