Animal and Plant Hormones in Homeostasis

📋 Course Outline

1. Animal homeostasis and hormones
2. Plant hormones

📖 1. Animal homeostasis and hormones

🔑 Key Concepts & Definitions

• Thermoregulation: Thermoregulation is the set of body processes that keeps internal temperature within a safe range when conditions are too hot or too cold.
• Hormone-secreting glands: Hormone-secreting glands are organs that release hormones into the body, with specific hormones produced and secreted by specific glands.
• Antidiuretic hormone ADH: Antidiuretic hormone (ADH) is a hormone that affects the kidneys’ handling of water, changing urine volume and concentration.

📝 Essential Points

• Homeostasis includes thermoregulation, which corrects disturbances when the environment is too hot or too cold.
• Blood glucose is regulated by hormones to keep levels stable.
• The menstrual cycle is a hormonally driven process used for reproductive-system homeostasis.
• ADH alters kidney function by changing urine volume and urine concentration.

💡 Memory Hook

ADH = “holds” water: less urine volume, more concentrated urine.

📖 2. Plant hormones

🔑 Key Concepts & Definitions

• Plant hormones: Plant hormones are chemical messengers that coordinate growth, development, and responses to the environment.

⚠️ Common Pitfalls & Confusions