Answer:
a.
carries blood away from heart
Explanation:
Arteries carry blood away from the heart. Pulmonary arteries transport blood that has a low oxygen content from the right ventricle to the lungs. Systemic arteries transport oxygenated blood from the left ventricle to the body tissues
The main organ of the respiratory system is the lungs.
<span>A study performed in 2008 found that 1 in five African Americans lacked health insurance.
This underpins some social issues that need to be solved in order to address fully the African Americans question in the United States, as health insurance expenses could be vital in some procedure in the States.
</span>