ventilation mask (with oxygen inlet) is <span>The preferred oxygen delivery device to use when providing emergency oxygen to a non-breathing person.
A ventilation mask with an oxygen inlet is consist of a pump that allow another person to pump the air into the non-breathing person's lung.
Other form of oxygen delivery device require the user to directly breath in to the device, which will be impossible of that person is non-breathing condition.</span>
Answer:
Insulin
Explanation:
Insulin and glucagon are hormones secreted by islet cells within the pancreas. They are both secreted in response to blood sugar levels, but in opposite fashion! Insulin is normally secreted by the beta cells (a type of islet cell) of the pancreas.
Systemic circulation which is the movement of blood through tissues of the heart carries oxygenated blood from left ventricle through arteries.
Systemic circulation moves blood between the heart and rest of body . It send oxygenated blood out to cells and return the degenerated blood to the heart.
Heart is the only organ in circulatory system organs . blood goes from heart to lung to get oxygen. lungs are the part of the respiratory system. Heart pumps oxygenated blood through artiest to the body. Systemic provide the functional blood supply to all body tissue. Oxygen locks into molecule called hemoglobin in red blood cells.
To learn more about Systemic circulation here
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A. Because the call isn’t urgent and he politely acknowledged the call, but asked if he can call back later since it isn’t urgent
A) foods are physically broken down into smaller pieces!
your mouth brakes the food into small pieces and is the main part but chemical reaction also occurs,
the saliva in your mouth helps you swallow the food easily!
just imagine eating your food dry like doritos that will hurt! your saliva makes it a lot easier and painless!
