<span>(you already have the answer)
An elevated ridge of cerebral tissue inward folds of cerebral tissue is called a GYRUS.
Gyrus are usually surrounded by sulci( depressions).
</span>They exist because it allows the human, and other mammalian brains, to have <span>a larger surface area. Since the brain is confined to the skull and the that space is limited
this will allow more cortical surface
area, and greater cognitive function to exist. </span>
Both the process takes place in cell organelle which was considered as endosymbiotic organism. They are chloroplast and Mitochondria, Photosynthesis takes place in Chloroplast where as respiration takes place in mitochondria.
The type of blood vessel which has the function of having to
allow passage easily of other substances such as nutrients, carbon dioxide,
oxygen and even waste in the cell wall is known to be the capillary. It is known to be a branching blood vessel in
which it has a role of being a network with both the venules and arterioles.
I think it's A?? B makes sense but the beginning of the paragraph is talking about how the royal society of science wasn't impressed, so it seems like the focus is on that and not how he defended against lightning strikes.