The presence of which type of intercellular connections between endothelial cells of brain capillaries results in the blood–brain barrier?.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.