Biology
Notes
, Blood
Red blood cells:
Biconcave disk shape
Keeps producing hemoglobin which
transports oxygen and is an iron-containing
pigment
Produced in bone marrow
Carbon dioxide removal
Short life span
No nucleus
, White blood cells:
Colorless
Changes shape/shapeless
Produces antibodies and fights invaders by
engulfing them
Plasma:
Transports nutrients and hormones to the
cells and waste products away from the cells
Liquid
90% water
10% gases, waste producs, antibodies,
enzymes, salts, nutrients, and hormones
Platelets:
Clots blood to stop bleeding
Small cell fragments