Explain what happened to phineas gage and what important he had to the study of the brain

In 1848, when he was just 25 years old, Gage sustained a terrible injury to his brain. His miraculous survival, and the effects of the injury upon his character, made Gage a curiosity to the public and an important case study for scientists hoping to understand more about the brain.

answer: node would be introduced.   is the correct

explanation:

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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