Overview
List the main organs and substances involved in homeostasis (control mechanism). Describe the structure and functions of these organs: kidney and liver. Name some kidney diseases and explain their symptoms and effects. Name some liver diseases and briefly explain their symptoms and effects. Discuss the remedy for unhealthy conditions kidney and the liver. Explain what hormones are List some endocrine glands, their positions in the body and their functions. State the effect of overproduction and underproduction of these hormones. Identify the mammalian skin under the microscope. Draw and label the main structures of the skin. State the functions of the mammalian skin. State a few ways to care for the skin.
What you'll learn
- Homeostatic organs. Substances involved in homeostasis.
- The kidney:
- (i) Structure, functions and diseases of the kidney:
- (ii) The effects of kidney diseases and remedy
- The liver:
- (i) Structure, functions and diseases of the liver, bile products,
- (ii) The effects of liver diseases and remedy.
- (iii) Endocrine glands.
- (iv) Effects of overproduction and underproduction of the hormones.
- (v) Substances produced by glands (Hormones).
- Plant Hormones:
- - Explain the effects of auxias on lateral bud development, leaf fall and initiations of adventitious roots.
- -Mention other types of plant hormones and functions.
- -Modern application of auxias effects (NAA) with reference to early flowering, crop harvests and weed control (as selective weeds kill dicotyledonous plants).
- The Skin:
- (i) Structure of the mammalian skin.
- (ii) Functions of the mammalian skin.
- (iii) Care of the mammalian skin.
