What is the key difference between blood and lymph?

The key difference between blood and lymph is that lymph does not carry red blood cells and platelets. Blood consists of various components, including red blood cells, white blood cells, plasma, and platelets, and it plays a crucial role in transporting oxygen, nutrients, and waste products throughout the body.

In contrast, lymph is a clear fluid that mainly consists of lymphocytes, which are a type of white blood cell, and does not contain red blood cells or platelets. Lymph primarily functions in the immune system by transporting lymphocytes and other immune cells to and from the lymph nodes, where they can respond to infections and other diseases. It also plays a role in the absorption of fats and fat-soluble vitamins from the digestive system.

Understanding this distinction is vital for individuals studying anatomy, physiology, or any related field, as it highlights the specialized functions of blood and lymph in the circulatory and immune systems.