Types of Body Fluids

The main types of body fluids in humans and their functions are:

1. Blood:
- Transports oxygen, nutrients, hormones, and waste products
- Regulates body temperature and pH
- Aids in immune response

2. Lymph:
- Returns excess tissue fluid to the bloodstream
- Transports fats from the digestive system
- Helps in immune function

3. Interstitial fluid:
- Surrounds cells in tissues
- Facilitates exchange of nutrients and waste between cells and blood

4. Cerebrospinal fluid:
- Protects the brain and spinal cord
- Provides nutrients to the central nervous system
- Removes waste products