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because it divides the chest from the abdomen

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Chanelle Morar

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4y ago

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The intercostals are located?

The intercostal muscles are located between the ribs. They play important roles in breathing. There are two sets of intercostal muscles, external and internal. The external intercostals contract during normal inspiration, causing the rib cage to expand out and up and thus increase the volume of the chest cavity. The internal intercostals are used during forced expiration only. When they contract, the rib cage pulled down and together, shrinking the volume of the chest cavity.


What does the chest system consists of?

The chest system consists of various anatomical structures, primarily including the rib cage, sternum, thoracic vertebrae, and associated muscles such as the diaphragm and intercostal muscles. It houses vital organs such as the heart and lungs, which are protected by the bony framework. Additionally, the chest cavity contains major blood vessels, nerves, and lymphatic structures, all of which play crucial roles in respiratory and circulatory functions. This system is essential for breathing, circulation, and overall thoracic stability.


What are the key parts of the breathing system?

The key parts of the breathing system include the nose and nasal cavity, which filter and humidify incoming air; the pharynx and larynx, which help direct air to the trachea; the trachea, which transports air to the lungs; and the bronchi and bronchioles, which further distribute air within the lungs. Alveoli, tiny air sacs in the lungs, are crucial for gas exchange, allowing oxygen to enter the bloodstream and carbon dioxide to be expelled. Additionally, the diaphragm and intercostal muscles play vital roles in the mechanics of breathing by facilitating inhalation and exhalation.


How do the musculoskeletal and nervous systems work with your respiratory system to help you breathe and blink?

The musculoskeletal and nervous systems play crucial roles in facilitating breathing and blinking. The respiratory system relies on the musculoskeletal system, particularly the diaphragm and intercostal muscles, to expand and contract the thoracic cavity, enabling airflow into and out of the lungs. Meanwhile, the nervous system controls these muscle movements through signals from the brain, coordinating the timing and strength of contractions. For blinking, the nervous system triggers the eyelid muscles to close and open in response to stimuli, protecting the eyes and maintaining moisture.


What is the 5 examples of an involuntary muscle?

Involuntary muscles are those that operate without conscious control. Five examples include the smooth muscles in the walls of the intestines, which facilitate digestion; the cardiac muscle of the heart, responsible for pumping blood; the smooth muscles in blood vessels, regulating blood flow; the muscles in the respiratory system, controlling breathing; and the muscles around the bladder, which manage urination. These muscles play essential roles in various automatic bodily functions.


What are the roles of circulatory?

it has the role of controlin breathing rate, and food


What are the roles of muscles?

The role of muscles in our body is enabling us to move our body, whn stimulated by a nerve. Muscles can contract as your brain tells them to. With out our muscles we would not be able to make any movements.


What are the roles of your muscles and bones?

Your bones give your body shape and structure and keep you from being a gelatinous mass. Your muscles allow your body to move (every movement internal or external is controlled by muscles).


What is under the diaphragm on the left side?

Under the diaphragm on the left side, you will find several important structures, including the stomach, which is located just below the diaphragm. The left kidney is also positioned beneath the diaphragm, along with parts of the spleen and pancreas. Additionally, the left lobe of the liver extends to the left side, although most of the liver is predominantly on the right side. These organs play crucial roles in digestion, filtration, and immune function.


What is a sheet of thin flat muscle?

A sheet of thin flat muscle refers to a type of muscle tissue that is organized in a flat, sheet-like structure, often found in various parts of the body. Examples include the diaphragm, which separates the thoracic and abdominal cavities, and the abdominal muscles, which help in movement and support. These muscles play crucial roles in functions such as respiration and maintaining posture. Their flat shape allows for efficient contraction and expansion over a broad area.


What attaches muscles to bones and other muscles.?

Tendons are the structures that attach muscles to bones, allowing for movement when muscles contract. Additionally, fascia, a type of connective tissue, can connect muscles to other muscles, providing support and allowing for coordinated movement. Both tendons and fascia play essential roles in the musculoskeletal system.


What roles does the muscular system play during eating a snack?

well if you didn't have muscles you couldn't eat. the muscles in your face help your jaw move and also to swallow it. the muscles in your stomach and intestines help digest the food.