What do the roots Act and Ag mean?
What do the roots Act and Ag mean?
#140 ag → do, act, drive The Latin root ag and its variant ig mean “do.” These roots are the word origins of a fair number of English vocabulary words, including agent, agile, litigate, and castigate.
What does IG AG Act and EG mean?
to be lively, to be energetic
What is the root word for breath?
#130 spir → breathe The Latin root word spir means “breathe.” This root is the word origin of a fair number of English vocabulary words, including inspire, respiration, and expire.
What is the definition of alveolus?
(al-VEE-oh-ly) Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.
What is alveoli answer?
Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going. You have about 480 million alveoli, located at the end of bronchial tubes. When you breathe in, the alveoli expand to take in oxygen. When you breathe out, the alveoli shrink to expel carbon dioxide.
What are the two branches of the windpipe?
At its bottom end, the trachea divides into left and right air tubes called bronchi (BRAHN-kye), which connect to the lungs. Within the lungs, the bronchi branch into smaller bronchi and even smaller tubes called bronchioles (BRAHN-kee-olz).
What keeps food out of the lungs?
When you swallow, a flap called the epiglottis moves to block the entrance of food particles into your larynx and lungs. The muscles of the larynx pull upward to assist with this movement. They also tightly close during swallowing. That prevents food from entering your lungs.
What is the structure and function of the trachea?
The trachea is a tube-like structure within the neck and upper chest. It transports air to and from the lungs when a person breathes. When a person inhales, air travels through the nose or mouth, down the trachea, and into the lungs.
What organ is known as the voice box?
Is the voice box real?
Voice box: The voice box, or larynx, is the portion of the respiratory (breathing) tract containing the vocal cords which produce sound. It is located between the pharynx and the trachea. The larynx, also called the voice box, is a 2-inch-long, tube-shaped organ in the neck.
Why is it called voice box?
Larynx, also called voice box, a hollow, tubular structure connected to the top of the windpipe (trachea); air passes through the larynx on its way to the lungs. The larynx also produces vocal sounds and prevents the passage of food and other foreign particles into the lower respiratory tracts.
What is the anatomical name for the throat?
The throat (pharynx) is a muscular tube that runs from the back of your nose down into your neck. It contains three sections: the nasopharynx, oropharynx and laryngopharynx, which is also called the hypopharynx.
What is the inside of your neck called?
The neck is the start of the spinal column and spinal cord. The spinal column contains about two dozen inter-connected, oddly shaped, bony segments, called vertebrae. The neck contains seven of these, known as the cervical vertebrae. They are the smallest and uppermost vertebrae in the body.
What is inside your throat?
The throat includes the esophagus, windpipe (trachea), voice box (larynx), tonsils and epiglottis.
What does a healthy throat look like?
However, it isn’t always clear by looking at the throat what type of infection a person has. As you’ll see, several of the different sore throat causes have similar symptoms. A healthy throat should not cause pain or difficulty swallowing. A healthy throat is usually consistently pink and shiny.
What causes a throat infection?
Throat infections are typically caused by a virus or by bacterial infection (e.g., strep throat). Examples of viral causes of sore throat include the flu (influenza) and infectious mononucleosis. Bacterial and viral throat infections are usually contagious.
What is cod throat?
Kokotxas normally come from either hake or cod and they are in essence the throat of the fish, an off cut from right under the gills of the fish that years ago used to be discarded and these days in considered to be a delicacy on the plate.