Overall, there is considerable shrinkage that occurs in the aging brain, however the shrinkage is selective. the prefrontal cortex, the and the show profound shrinkage. frontal lobe; cortex parietal; occipital cerebellum; amygdale hippocampus; cerebellum

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Describe the two types of vascular tissue