Circulatory Fluids Flashcards
What is the term for circulatory fluid in an open system?
Haemolymph
Haemolymph carries nutrients but not…
…respiratory gases.
Which has a higher percentage of non-cellular components: blood or haemolymph?
Haemolymph (90% is plasma, 10% haemocytes)
Most of blood is…
…water.
Name 4 purposes of water in blood.
- Transports dissolved substances
- Provides cells with water
- Distributes heat
- Maintains blood volume
What percentage of blood volume do WBCs and platelets make up?
2-3%
What blood cells are responsible for internal defense?
White blood cells
What are the two types of white blood cells?
Lymphocytes and granulytes
What are lymphocytes responsible for?
Immunity
What are granulytes responsible for?
Phagocytosis, inflammation and allergic responses.
What are platelets?
Small, membrane-bound cell fragments with a role in blood clotting.
What percentage volume of blood do red blood cells make up?
38-48%