1. pregnant woman - ovary specifically it corpus luteum produces estrogen and progesterone to maintaim uterine thickness to hold the fetus. oxytocin from posterior pituitary allows the stretching of the cervix. prolactin from anterior pituitary prepares breast tissue for lactation and relaxin from uterus to loosen ligaments to allow cervical stretching.
2. boy running from danger -adrenal gland pdocuces adrenlin to boost energy
3.kid growing taller - growth hormone from anterior pituitary gland
4. sick person in bed- thymus for immune system
5. girl eating sweets - pancreas to release insulin to deposit excess sugar in muscles and liver