PHYSICAL CHARACTERISTICS OF BLOOD
- Is denser and more viscous than water
- Feels slightly sticky
- Temperature - 38 °C - 100.4 °F
- slightly alkaline pH ranging from 7.35 - 7.45
COLOR
- Color varies with its oxygen content
- High oxygen content - bright red
- Low oxygen content - dark red
Constitutes
- 20 % of extra cellular fluid
- 8 % of total body mass
VOLUME
Adult male - 5-6 liters
Adult female - 4-5 liters
IMPORTANT HORMONES ENSURING BLOOD VOLUME AND OSMOTIC PRESSURE RELATIVELY CONSTANT
1. Aldosterone
2. ADH
3. Atrial natriuretic peptide
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