the alkene has a boiling point which is slightly lower than the boiling point of the corresponding alkane. The only attractions involved are van der Waalsdispersion forces, and these depend on the shape of the molecule and the number of electrons it contains. Each alkene has two fewer electrons...
Oxygen saturation: ≥95% Partial pressure of carbon dioxide (pCO2): 35-45 mm Hg Bicarbonate (HCO3): 23–26 mEq/L Gastrointestinal function Normal gastrointestal function ranges include the following [1] : Albumin: 3.5–5.5 g/dL Alkaline phosphatase: 30–120 U/L Alanine aminotransferase...
Lungs are relatively small, yet they very efficiently transfer oxygen between the air and blood, even though the Reynolds number for air flow in the lungs is very small, suggesting flow is laminar. How has the human body evolved to efficiently ...
Blood returning to the heart from the body contains low levels of oxygen and high levels of carbon dioxide. This blood flows into the right atrium and then down into the adjacent right ventricle. After the right ventricle fills, contraction of the right atrium pumps additional blood into the ...
If a pneumothorax is large enough, it can even cause the lung to collapse: in this case, you can frequently trace the borders of the shrunken lung closer to the middle of the chest, while the region surrounding will look darker as it contains only air without lung tissue. ...
Iron is the most abundant trace element in the human body1. It participates in fundamental processes such as oxygen transport, cellular metabolism, myelin formation, and the synthesis of neurotransmitters1,2,3,4. Therefore, strict iron regulation is essential for maintaining normal brain function. ...
Normally, the pulmonary capillary bed contains about how much blood, although it has the capacity of about how much? The approximate number of liters of blood in the human body is (a) 10-12. (b) 2-3. (c) 7. (d) 5-6. (e) 4. ...
Myelin, critical for the correct function of the nervous system, is organized in different patterns that can include long non-myelinated axonal segments. How myelin patterning is regulated remains unexplained. The carbohydrate-binding protein galectin-4 (Gal-4) influences oligodendrocyte differentiation ...
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Apoptosis of cells, exposed or not to A1R agonist/antagonist, was evaluated by the Caspase-Glo Assay (Promega Italia, Milan, Italy), which contains a peptide (DEVD-aminoluciferin) that can be cleaved by caspases 3/7 liberating aminoluciferin from which a thermostable luciferase, included in the...