Theory:

Receptors and Sense Organs.png
 
Screenshot_8.jpg
List of receptors and their stimulus
 
shutterstock_430118209.svg
Human hormones and their secretions
  
unnamed.jpg
 
Endocrine_central_nervous_en.svg
Secretions of different glands
 
The_master_circadian_clock_in_the_human_brain.jpg
The 24hr circadian cycle in human - pineal gland
  
ff514ffc08664490c02c67cd608c2444ec8e1613.jpg
Hormones released by the pituitary gland and their functions
  
ADH_Abnormalities.png
Effects of \(ADH\)
\( \) 
1024px-1805_Negative_Feedback_Loop.jpg
Negative feedback mechanism - Homeostasis
 
Temperature_Regulation.jpg
Feedback mechanism for maintain the body temperature 
Reference:
https://lh3.googleusercontent.com/m1-Q-baBF6Oo_9zpQMLQFXrJoZXyOpytcsfrbm4y5mqQuVbDSvhJ7JFjsPrDTs850uX0xNKc5cqXXQ--nAezG9CtKOPRgHGx7b2Cawr87OX2b5H03obsH21f9wrW_BglYXgyM6DufPI8CXp-W-4v4y6EErLNpdsYV8s8XQ-6WG1Y7DFPb410mt0u2DPcnwUrVP_JmHtl_zWaMIDAhG43JEpuBNUYzHaM=w1568-h796
https://commons.wikimedia.org/wiki/File:Endocrine_central_nervous_ca.svg#/media/File:Endocrine_central_nervous_en.svg
https://commons.wikimedia.org/wiki/File:The_master_circadian_clock_in_the_human_brain.https://upload.wikimedia.org/wikipedia/commons/4/4a/1810_Major_Pituitary_Hormones.jpg
https://courses.lumenlearning.com/boundless-ap/chapter/sensory-receptors/
https://upload.wikimedia.org/wikipedia/commons/8/89/ADH_Abnormalities.png
https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/1805_Negative_Feedback_Loop.jpg/1024px-1805_Negative_Feedback_Loop.jpg
https://upload.wikimedia.org/wikipedia/commons/9/92/Temperature_Regulation.jpg