Answer:
A.messages that are sent from the brain to body parts
The three main functions of the human digestive system are to break food down into chyme for the body's use, to secrete and absorb nutrients and bodily fluids into the gastrointestinal tract or the blood, and to store and eliminate waste. The digestive system has major parts and accessory parts.
Answer:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
Explanation:
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Answer:
0.5
Explanation:
The nurse must ensure that the FIO2 must not be greater than 0.5. This is because if the FIO2 is even slightly greater than than for as little as 16 to 24 hours, it can get really toxic and then diffusion of gas and surfactant activity will be reduced drastically. In ideal circumstances, the oxygen source is expected to be room air and within a range of FIO2 0.18 - 0.21.
Answer:
but which one are you referring to
Explanation:
