Which structure of the female reproductive system serves as the narrow opening of the uterus that extends into the vagina?

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Write the balanced chemical equation forphotosynthesis.