The Blood

Question 1

Blood is thick, red, slightly alkaline fluid that consists of

Answer 1

55%fluid, plasma and 45% solids, blood cells, or corpuscles

Question 2

What is plasma composed of

Answer 2

Water, mineral salts, proteins, nutrients, gases (oxygen, carbon dioxide and nitrogen) in solution and waste products,hormones and enzymes

Question 3

What are the three types of blood cells

Answer 3

Red blood cells (erythrocytes)
White blood cells (leukocytes)
Platelets (thrombocytes)

Question 4

Red blood cells, which carry oxygen from the lungs to the tissues, contain a pigment called

Answer 4

Haemoglobin

Question 5

Haemoglobin has an affinity with oxygen, so what happens

Answer 5

This means that oxygen is taken up by the blood

Question 6

What are the three types of white blood cells

Answer 6

Polymorph nuclear leucocytes which make up around 75%
Lymphocytes
Monocytes

Question 7

What do white blood cells do

Answer 7

They are defensive and are attentive to the production of antibodies and the ingestion of cell debris and bacteria

Question 8

What are platelets concerned with

Answer 8

The clotting of blood