Homeostasis & Homeostatic Imbalances Deborah Curry Kaplan University Positive & Negative feedback systems Positive feedback system: Strengthens or reinforces a change in one of the body’s controlled conditions. (Tortora & Derrickson‚ 2014‚ p. 10) Negative feedback system: Reverses a change in a controlled condition in the body. (Tortora & Derrickson‚ 2014‚ p. 10) Homeostasis & Homeostatic Imbalances of the Endocrine System The endocrine system makes hormones responsible
Premium Negative feedback Feedback Cybernetics
The human-like mythological creature that will be discussed in this paper is Medusa. To the ancient Greeks‚ Medusa’s appearance was one of the most hideous images of evil; however‚ she was not always perceived that way. Medusa was once a desirable young virgin and the priestess to the goddess Athena (Greek Mythology). It is believed that Poseidon lusted for Medusa and raped her‚ causing Athena to curse her for being unclean and no longer suitable for marriage (Greek Mythology). Athena’s curse transformed
Premium Greek mythology Medea English-language films
The Case R.L.‚ 38 y.o.‚ G5P5 (5-0-0-5) was admitted at Ospital ng Maynila today June 27‚ 2012 because of on and off vaginal spotting for 3 weeks. LMP- April 1‚ 2012 PMP- March 3‚ 2012. Pregnancy test was done 3 weeks ago and revealed positive result. A TVS was done and revealed a complex echogenic uterine mass with numerous cystic spaces‚ No fetus or amnionic sac seen. A 6 cm theca lutein cyst was seen at the left ovary. P.E. * BP- 120/70 mmHg. PR- 75bpm RR- 18 cpm wt.- 135 ibs
Premium Obstetrics Pregnancy
References: Darwin C (1871) The Descent of Man Dawkins R (1979) Twelve Misunderstandings of Kin Selection Hamilton W (1964) The genetical evolution of social behaviour. I. J. Theor. Biol. 7: 1–16. Israel S‚ Weisel O‚ Ebstein R‚ Bornstein G (2012) Oxytocin‚ but not vasopressin‚ increases both parochial and universal altruism. Psychoneuroendocrinology 37:1341-1344 Mauss‚ M (1967) The Gift Moore J (1984). The evolution of reciprocal sharing. Ethol. Sociobiol. 5: 5-14. Pinker S (2012) The False Allure
Premium Altruism Evolutionary psychology Evolution
Psychology AS Level Guy Webber The Biological Approach What assumptions do biopsychologists make? Psychologists from the biological approach assume that behaviour and experiences are caused by activity in the nervous system of the body. The things that people think and feel‚ say and do are caused‚ one way or another‚ by electrochemical events occurring within and between the neurones that make up their nervous system‚ particular those in the brain. Many biopsychologists also agree that
Premium Psychology Brain Nervous system
Human Endocrine System A system of glands and cells that make hormones that are released directly into the blood and travel to tissues and organs all over the body. The endocrine system controls growth‚ sexual development‚ sleep‚ hunger‚ and the way the body uses food. [pic] The human endocrine system modulates several processes of the body by the function of hormones. The endocrine system secretes hormones that control how bodily functions work. Thus‚ the human endocrine system watches
Premium Endocrine system Hypothalamus Pancreas
Kangaroo mother care is the least invasive‚ more beneficial procedure that can be done in a neonatal intensive care unit. It is comprised of prolonged and early skin-to-skin contact‚ exclusive breastfeeding‚ and support for the parents as well as proper follow-up (Mörelius‚ 2015). Studies show that kangaroo mother care helps parents learn about the new infant‚ be involved in the care of the baby‚ and provides psychological stability (Mörelius‚ 2015). The physical effects on the baby have significance
Premium Infant Breastfeeding Pregnancy
I. Definition A molar pregnancy is an abnormal form of pregnancy in which a non-viable fertilized egg implants in the uterus‚ converting the normal pregnancy progress into a pathological one. It is characterized by the presence of a hydatidiform mole‚ which the chorionic villi around the fetus degenerate and form clusters of fluid-filled sacs‚ resulting in tumor growth that forms in the uterus as a bunch of cysts resembling grape-like vesicles that are visible to the naked eye. Hydatidiform
Premium Oncology Obstetrics
CODE-Y NEET-UG – 2013 TEST PAPER WITH ANSWER (HELD ON SUNDAY 05th MAY‚ 2013) 1. The eye of octopus and eye of cat show different patterns of structure‚ yet they perform similar function. This is an example of : (1) Analogous organs that have evolved due to divergent evolution (2) Homologous organs that have evolved due to convergent evolution (3) Homologous organs that have evolved due to divergent evolution (4) Analogous organs that have evolved due to convergent evolution (4) Select the correct
Premium Fatty acid Hypothalamus Endoplasmic reticulum
The hypothalamus is a small‚ vital section of the brain located just below the thalamus; it is in charge of numerous important bodily functions. The hypothalamus is shaped like a cone and ends in the pituitary stalk‚ a part of the pituitary gland. It forms the major portion of the ventral region of diencephalons‚ and oversees autonomic and metabolic processes. The hypothalamus is the connection between the nervous system and the endocrine system‚ creating this link by producing and secreting neurohormones
Premium Hypothalamus