Which of the following is correct regarding acclimatization? A. Decreases in arterial POâ cause the peripheral chemoreceptors to become less responsive to increases in PCOâB. At high altitudes, hemoglobin's affinity for Oâ is increased because BPG concentrations increase. C. When blood Oâ levels decline, the kidneys produce more erythropoietin, which stimulates breakdown of red blood cells in the spleen D. High-altitude conditions always result in lower-than-normal hemoglobin saturation levels because less Oâ is available to be loaded

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

Which organelle breaks down sugar molecules that supply energy to the cell ?

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens