Circulatory System Crossword

Delivers oxygenated blood from the heart to the body
Carries deoxygenated blood from the body back to the heart
Microscopic blood vessel that connects arteries and veins
Contraction phase when the heart pumps out blood
Relaxation phase when the heart fills with blood
A record of muscle activity within the heart
Type of WBC that fights certain infections and helps destroy dead or cancerous cells, and regulates immunity
Type of WBC that prevents blood from clotting too quickly and promotes blood flow to tissues
Type of WBC that helps fight infection and consists of B cells and T cells
Lymphocyte that produces antibodies
Lymphocyte that destroys infected and cancerous cells
Fibrous protein involved in blood clotting
An iron-containing protein that binds to oxygen and makes blood red
The condition that occurs when blood pressure is higher than normal for long periods of time
Improper beating of the heart