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Hormones & Reproduction
- 1. 2006-2007 Endocrine System Hormones Reproduction
- 7. Maintaining homeostasis hormone 1 lowers body condition hormone 2 gland specific body condition raises body condition gland Feedback high low
- 9. Controlling Body Temperature nerve signals sweat nerve signals brain body temperature shiver brain dilates surface blood vessels constricts surface blood vessels Nervous System Control Feedback high low
- 10. Regulation of Blood Sugar blood sugar level (90mg/100ml) insulin body cells take up sugar from blood glucagon Feedback Endocrine System Control pancreas pancreas high low
- 16. spermatocytes seminiferous tubule sperm
- 22. Egg maturation in ovary releases progesterone maintains uterus lining produces estrogen
- 24. Female reproductive cycle pregnancy maintains uterus lining Feedback estrogen egg matures & is released (ovulation) builds up uterus lining FSH & LH progesterone progesterone fertilized egg (zygote) HCG corpus luteum breaks down progesterone drops menstruation maintains uterus lining GnRH pituitary gland hypothalamus corpus luteum ovary no yes corpus luteum
- 26. Fertilization
Notas del editor
- Hormones coordinate slower but longer–acting responses to stimuli such as stress, dehydration, and low blood glucose levels. Hormones also regulate long–term developmental processes by informing different parts of the body how fast to grow or when to develop the characteristics that distinguish male from female or juvenile from adult. Hormone–secreting organs, called endocrine glands, are referred to as ductless glands because they secrete their chemical messengers directly into extracellular fluid. From there, the chemicals diffuse into the circulation.