Hormones and Homeostasis by Neilson Alexandro Tjhe - Student https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi en-us 2022-11-10 14:52:43 UTC 2022-11-10 16:08:49 UTC hello@padlet.com Definiton neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378760885 Specific chemical substance secreted from glands that are used to carry information from one part of the mammal's body to another]]> 2022-11-10 14:54:19 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378760885 Functions neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378764330 - Activities of entire organs
- Growth of development 
- Reproduction
- Sexual characteristics
- Usage and storage of energy
- Levels of fluid, salt, and sugar in the blood]]> 2022-11-10 14:54:49 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378764330 Endocrine System: Function neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378780432 Glands in the endocrine system secretes hormones into the bloodstream from glands, which travel in the bloodstream to specific target organs to have an effect on them]]> 2022-11-10 15:04:08 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378780432 Hormones involved in coordination neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378785938 ADH, Adrenaline, Insulin, Testosterone, Progesterone, Oestrogen.]]> 2022-11-10 15:07:28 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378785938 Action of Hormones neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378793700 1. Stimulus affects endocrine gland so that it releases a hormone (chemical messenger)
2. Hormones are distributed by the bloodstream
3. Receptors on the cell membranes of target organ recognises a specific hormone and makes responses to the stimulus.]]> 2022-11-10 15:12:02 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378793700 Properties neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378795872 - Found in small quantities 
- Lasting effects on the target organs.
- Widespread of effects
- Some act more directly
- Affect long term changes
- Very short life span]]> 2022-11-10 15:13:17 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378795872 Glands Location neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378802652 - Adrenal glands are found one above each kidney.
- The inner medulla region receives nerves from the brain and produces the hormone adrenaline.
- The outer cortex layer produces corticosteroids]]> 2022-11-10 15:17:24 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378802652 Adrenaline Action neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378810666 - Adrenaline is known as the 'fight or flight' hormone as it is produced in situations where the body may be in dangerIn a stressful situation,

- Adrenaline’s actions are very rapid and lasts only for a short time.]]> 2022-11-10 15:22:02 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378810666 Industrial Use of Hormones neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378821882 - Hormones injected into animals to fatten them up
- Hormones injected into cows to increase milk production]]> 2022-11-10 15:28:41 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378821882 Definition neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378829581 Homeostasis is defined as the maintenance of a constant internal environment

]]> 2022-11-10 15:33:09 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378829581 Factors that are kept constant neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378835286 1. Chemical constituents
2. Concentration
3. Temperature
4. pH]]> 2022-11-10 15:36:31 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378835286 Factors to be excreted neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378836359 1. Toxic nitrogenous waste from protein metabolism (eg. NH3, urea)
2. Toxic substances liberated by bacteria, parasites]]> 2022-11-10 15:37:08 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378836359 Mechanism neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378840158 Homeostatic mechanisms are self-regulating
& operate by means of negative feedback.]]> 2022-11-10 15:39:07 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378840158 Organs involved neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378842275 1. Kidneys
2. Liver
3. Pancreas
4. Skin
5. Lungs
6. Brain]]> 2022-11-10 15:40:22 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378842275 Role neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378844035 Maintains the fluid balance and the concentration of electrolytes (salts in solution) to keep the fluids from becoming too diluted or too concentrated]]> 2022-11-10 15:41:30 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378844035 Hormone involved neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378844946 Anti-diuretic Hormone. Secreted by the pituitary gland, controlled by the hypothalamus.]]> 2022-11-10 15:42:03 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378844946 Hormone involved neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378848836 Insulin. Secreted by pancreas into the blood at times when blood glucose levels are high. 

]]> 2022-11-10 15:44:19 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378848836 Insulin Function neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378849415 Insulin temporarily converts excess glucose into glycogen in the liver and muscle. The glycogen is converted back to glucose several hours later when blood glucose levels have dipped due to respiration in all tissues

]]> 2022-11-10 15:44:41 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378849415 Beta Cells neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378862149 Cells in pancreas which release insulin]]> 2022-11-10 15:51:52 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378862149 Alpha Cells neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378866688 Releases glucagon if there is insufficient glucose in the blood. Glucagon triggers the liver cells to convert Glycogen to Glucose]]> 2022-11-10 15:54:51 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378866688 Major effector neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378868256 The major effector for homeostatic temperature regulation is the skin.

- Epidermis : Basal layer which is dividing
- Dermis : receptor found here]]> 2022-11-10 15:55:51 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378868256 Thermo Receptors neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378877422 Thermo receptors in skin detect temperature fluctuations on the body surface & relay the information to the thermoregulatory centre via afferent nerves.]]> 2022-11-10 16:01:30 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378877422 Type 1 and 2 Diabetes neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378879170 Type 1: Genetic condition; caused by an autoimmune reaction. Beta cells are attacked so not enough insulin is secreted

Type 2: Developed over time; Lifestyle related, i.e. consuming sugary drinks]]> 2022-11-10 16:02:39 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378879170 Vasoconstriction neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378883298 Arterioles constrict & the blood is diverted to the deeper tissues thus retaining heat. (Too extreme: cells die)]]> 2022-11-10 16:05:18 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378883298 Vasodilation neilsontjhe1 https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378883909 Dilation of superficial arterioles bring warm blood to the surface to lose heat.]]> 2022-11-10 16:05:42 UTC https://padlet.com/neilsontjhe1/xnsi1ofpft4ym6gi/wish/2378883909