The correct answer is telephone.
Telephone arose from an attempt to help hearing-impaired people.
Telephone is termed as a telecommunication which allows either two or more users to have a conversation while they are apart and to be heard directly.
Telephone converts human voice or sound to electronic signals which are being transmitted through cables.
Some of the elements which are essential in telephone are earphone which are termed as receiver and microphone which is the transmitter.
Most of the telephone they have a ringer which produces a sound to show that there is an incoming call.
Answer:
Hi
Explanation:
Cigarette smoke can contain high levels of carbon monoxide. Hydrogen cyanide was used to kill people in the gas chambers. It can be found in cigarette smoke. Nicotine is a poison used in pesticides and is the addictive element in cigarettes. Inhaling the harmful smoke it can inflame your lungs and airway, causing them to swell and block oxygen. This can lead to acute respiratory distress syndrome and respiratory failure. Smoke inhalation commonly happens when you get trapped in a contained area, such as a kitchen or home, near a fire.
The right side of the heart<span> pumps blood to the lungs, where the blood is oxygenated and then returns to the </span>heart<span>. This circuit is called the pulmonary </span>circulation<span>. </span>The left side of the heart<span> receives oxygenated blood from the lungs and pumps it to the rest of the body.
so yes the t</span><span>he left side of the heart performs the circulation.</span>
