The area of the brain that the nurse would be concerned about when finding to a woman who explain that she has been very unsteady and has difficulty in maintaining balance is cerebellum. Cerebellum is responsible in coordinate voluntary movement
A group of specialized cells that transport fluids and nutrients is called a vascular tissue
When a Stickleback fish feels threatened, it will flare out its pair of pelvic spines and three dorsal spines, making it difficult for predators to swallow them.
I think all of the above...
because I know they built aqueducts and sewers, so since 2 of they are correct, then all 3 must be.