Question How does the nervous system influence the respiratory system?(1 point) Responses It stimulates defense against pathogens. It stimulates defense against pathogens. It regulates blood pressure. It regulates blood pressure. It regulates urine output. It regulates urine output. It controls muscle contraction.
It controls muscle contraction.
The nervous system influences the respiratory system in several ways. First, it controls muscle contraction that is necessary for breathing. The nerves send signals to the muscles of the diaphragm and ribcage, allowing them to contract and relax, which results in inhalation and exhalation. This ensures proper oxygen intake and carbon dioxide removal.
Additionally, the nervous system is involved in regulating blood pressure, which indirectly affects the respiratory system. Proper blood pressure ensures adequate blood flow to the lungs, allowing for efficient gas exchange between oxygen and carbon dioxide.
In terms of defense against pathogens, while the respiratory system has its own defense mechanisms, the nervous system can stimulate these mechanisms. For example, the nerves can stimulate the production of mucus in the respiratory tract, which helps trap and remove pathogens before they reach the lungs.
However, it's important to note that the options "It stimulates defense against pathogens," "It regulates blood pressure," "It regulates urine output," and "It controls muscle contraction" are all correct, as the nervous system has a broad range of functions that impact various body systems.
The correct answer is: It controls muscle contraction.
The nervous system influences the respiratory system by controlling muscle contraction. The process of respiration involves the movement of muscles, particularly the diaphragm and intercostal muscles, to expand and contract the lungs. This allows for the intake of oxygen and the expulsion of carbon dioxide.
The nervous system plays a vital role in this process by sending signals from the brain to the muscles involved in respiration. These signals stimulate the contraction of the diaphragm and intercostal muscles, leading to the expansion of the chest cavity and the inhalation of air. Conversely, the relaxation of these muscles leads to the contraction of the chest cavity and the exhalation of air.
So, the nervous system controls muscle contraction, which directly influences the respiratory system and its ability to facilitate the exchange of gases in the body.