Course Content
TRANSPORT IN PLANTS AND ANIMALS
0/68
EXCRETION AND HOMEOSTASIS
0/59
Biology Form 2
About Lesson

Varicose veins

Superficial veins become swollen and lose their firmness.

Brings about tissue fluid retention.

Causes

Failure of valves to function properly due to; Excessive strain by standing for long, Injuries and pregnancy.

Symptoms

Valves weaken and collapse.

Tissue fluid retention.

Control

  • Physical exercise
  • Wearing well-fitting socks or stockings to hold the veins firmly