Circulatory System Crossword

exercise that increases the need for oxygen
exercise that builds muscles through tension
blood vessel that carries blood away from the heart
sheet-like muscle separating the chest from the abdominal cavity; creates suction to draw in air and expand lungs
small blood vessels between the ending of the arteries and the beginning of the veins
flowing (such as the flow of blood throughout the body)
found in animal tissues, too much can lead to heart disease
number of heartbeats in one minute
smallest blood cells to help form clots if you have an injury
inhaling and exhaling air, breathing
liquid part of the blood
blood cells constantly traveling through your body delivering oxygen and removing waste
hollow spaces in the bones of the head, helps regulate temperature of air breathed in
blood vessels that carry blood toward the heart
blood cells that help protect the body from disease