Which two organ systems work together to inhale oxygen? a. cardiac and muscular b. cardiac and respiratory c. respiratory and muscular d. respiratory and skeletal

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

One of the reasons that stars are so large is because

In which area of the neuron is an action potential initially generated?