B. Arteries have a thicker tunica media than veins
The Earth's crust comprises about 95% igneous and metamorphic rocks, 4% shale, 0.75% sandstone, and 0.25% limestone. Oxygen, silicon, aluminum, and iron account for 88.1% of the mass of the Earth's crust, while another 90 elements make up the remaining 11.9%.
I think the correct answer from the choices listed above is option A. The function of arteries, veins, and capillaries in the circulatory system is that a<span>rteries generally carry oxygen-rich blood away from the heart; veins generally carry oxygen-depleted blood back to the heart; capillaries deliver blood to individual cells.</span>
Answer:
Cervical and Thoracic areas.
Explanation:
The most common sites of injury are the cervical and thoracic areas. SCI is a common cause of permanent disability and death in children and adults. The spine has 33 vertebrae.
