BLOOD

Subdecks (4)

Cards (50)

  • Blood - transports nutrients, wastes, hormones, and body heat from one place to another
  • Components of blood:
    • Formed elements (living cells)
    • Plasma (nonliving fluid matrix)
  • When blood is separated:
    • Plasma (55% of blood)
    • Buffy coat (less than 1% of blood, contains leukocytes and platelets)
    • Erythrocytes (45% of blood, also known as hematocrit)
  • Notable characteristics of blood:
    • Oxygen-rich blood is scarlet red
    • Oxygen-poor blood is dull red or purple
    • Blood pH is slightly alkaline, between 7.35 and 7.45
    • Blood temperature is slightly higher than body temperature, at 38°C or 100.4°F
    • Makes up 8% of body weight, 5-6 L of blood in a healthy adult