Respiratory Assignment
Tanya Hicks
Anatomy & Physiology
Respiratory Assignment.
!
1.) The control center inside of the brain is called the medulla oblongata. Our breathing is controlled by the level of carbon dioxide that we have in our blood. The pons sends out a signal from the medulla to the diaphragm to activate. The diaphragm is also sent a a signal from the phoenic nerve, that comes from the cervical plexus in the spinal cord. This makes the diaphragm contract and flatten and increases the space inside of the thoracic cavity. This will create a decrease in pressure and that transmits to the lungs. Since the pressure inside of the lungs are is now lower than atmospheric pressure it causes the the air to rush into the lungs and down the pressure gradient. The external intercostal muscles assist by moving ribs up and out during respiration for increase in pressure inside the thoracic cavity . Exhaling is a passive act as the diaphragm relaxes it forms into a dome shape that decreases the space inside the cavity and then the pressure becomes greater than atmospheric pressure which causes it to be pushed out of the lungs. !
2.) Ventilation is the movement of air into and out of the lungs. This is important for the process of oxidization and respiration processes to take place. If there's no ventilation for 4 to 6 minutes it can cause bad brain damage or could result in death. Ventilation has two phases inspiration and expiration. It is also known as inhaling and exhaling. Inspiration is the process of moving air into the lungs. Exhaling is the process of moving air out of the lungs. When both processes take place
together it creates a ventilation cycle.Respiration is the process of exchanging gases. Mostly carbon dioxide and oxygen. There are two types of respiration. Internal respiration in external respiration. Internal respiration is the exchange of oxygen and carbon dioxide between the circulatory cells in cells of the body. This processes gives oxygen to the cells from blood,
Anatomy & Physiology
Respiratory Assignment.
!
1.) The control center inside of the brain is called the medulla oblongata. Our breathing is controlled by the level of carbon dioxide that we have in our blood. The pons sends out a signal from the medulla to the diaphragm to activate. The diaphragm is also sent a a signal from the phoenic nerve, that comes from the cervical plexus in the spinal cord. This makes the diaphragm contract and flatten and increases the space inside of the thoracic cavity. This will create a decrease in pressure and that transmits to the lungs. Since the pressure inside of the lungs are is now lower than atmospheric pressure it causes the the air to rush into the lungs and down the pressure gradient. The external intercostal muscles assist by moving ribs up and out during respiration for increase in pressure inside the thoracic cavity . Exhaling is a passive act as the diaphragm relaxes it forms into a dome shape that decreases the space inside the cavity and then the pressure becomes greater than atmospheric pressure which causes it to be pushed out of the lungs. !
2.) Ventilation is the movement of air into and out of the lungs. This is important for the process of oxidization and respiration processes to take place. If there's no ventilation for 4 to 6 minutes it can cause bad brain damage or could result in death. Ventilation has two phases inspiration and expiration. It is also known as inhaling and exhaling. Inspiration is the process of moving air into the lungs. Exhaling is the process of moving air out of the lungs. When both processes take place
together it creates a ventilation cycle.Respiration is the process of exchanging gases. Mostly carbon dioxide and oxygen. There are two types of respiration. Internal respiration in external respiration. Internal respiration is the exchange of oxygen and carbon dioxide between the circulatory cells in cells of the body. This processes gives oxygen to the cells from blood,