Skeletal & Circulatory System Vocabulary 1. 2. 3. 4. 5. Skeletal System Bone Marrow Circulatory System (Cardiovascular) Arteries Veins 1. Skeletal System • Structure: all your 206 bones • Function: 1.protects internal organs 2. Produces red blood cells 3. Gives you shape and support 2. Bone Marrow – the inner part of the bone that produces red blood cells 3. Circulatory System • Structures: 1. Heart 2. Arteries 3. Veins • Function: 1. To circulate blood containing oxygen and nutrients to the whole body. 4. Arteries – the pathways that oxygen-rich blood move through away from the heart to the rest of the body. 5. Veins – the pathways that oxygenpoor blood move through from the rest of body back up to the heart.