One of the most remarkable examples of cell communication is the fight or flight response. body handle extraordinary situations. responses involved in the fight or flight response. place in the movie. 0:16 An environmental signal travels into the brain. a nerve impulse to the hypothalamus (not shown).
Umbilical cord. In placental mammals, the umbilical cord (also called the navel string, birth cord or funiculus umbilicalis) is a conduit between the developing embryo or fetus and the placenta.
The umbilical cord is the connection between the fetus and the placental membranes; it contains the fetal artery, fetal vein and a urinary duct to drain urine from the bladder â¦ .1 person found this useful. The cordlike structure that connects the embryo with the placenta.   The English term 'umbilical cord' means membranous duct connecting the fetus with the placenta T â¦ he English term 'umbilical cord' means membranous duct connecting the fetus with the placenta. 7 people found this useful.