Which part of the excretory system has an outer cortex and an inner medulla? The (Blank) have an outer layer called a cortex. The inner layer is the medulla. Within the medulla are about a dozen triangular areas called renal pyramids. Every person has two of these organs in the rear of the abdominal cavity.

According to myplate guidelines, grains should make up (less than one-fourth, more than one-fourth, about one-fourth) of your plate, fruits should make up (less than one-fourth, more than one-fourth, about one-fourth) of your plate, protein should make up (less than one-fourth, more than one-fourth, about one-fourth) of your plate, and vegetables should make up (less than one-fourth, more than one-fourth, about one-fourth) of your plate.just answered it; about one-fourth, less than one-fourth, about one-fourth, and more than one-fourth

American college students invented football by combining what two sports?

What kind of wound occurred when the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of skin