Circulatory Fluids Flashcards Preview

Circulatory & Respiratory Systems - 12BIO - T1 > Circulatory Fluids > Flashcards

Flashcards in Circulatory Fluids Deck (12)
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1
Q

What is the term for circulatory fluid in an open system?

A

Haemolymph

2
Q

Haemolymph carries nutrients but not…

A

…respiratory gases.

3
Q

Which has a higher percentage of non-cellular components: blood or haemolymph?

A

Haemolymph (90% is plasma, 10% haemocytes)

4
Q

Most of blood is…

A

…water.

5
Q

Name 4 purposes of water in blood.

A
  1. Transports dissolved substances
  2. Provides cells with water
  3. Distributes heat
  4. Maintains blood volume
6
Q

What percentage of blood volume do WBCs and platelets make up?

A

2-3%

7
Q

What blood cells are responsible for internal defense?

A

White blood cells

8
Q

What are the two types of white blood cells?

A

Lymphocytes and granulytes

9
Q

What are lymphocytes responsible for?

A

Immunity

10
Q

What are granulytes responsible for?

A

Phagocytosis, inflammation and allergic responses.

11
Q

What are platelets?

A

Small, membrane-bound cell fragments with a role in blood clotting.

12
Q

What percentage volume of blood do red blood cells make up?

A

38-48%