I think it’s b. Not sure but I think it’s B.
Answer:
Arteries carry oxygenated blood from the heart, while veins carry oxygen-depleted blood back to the heart. ... The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
<span>The answer is letter A.<span>
<span>Congestive
heart disease and asthma are examples of chronic conditions. Chronic diseases
refer to diseases that have lasted for three months or more. It cannot be
prevented by vaccines, cured by medications, and they do not just disappear. It
requires medical attention and proper care. Congestive heart diseases (CADs)
usually appear in many forms, the common ones are arteriosclerosis (hardening
of the arteries) and atherosclerosis (blockages in the blood vessels). While
asthma is a disease that is hereditary and can worsen when exposed to different
environmental pollutants (e.g. smoke, extreme cold).</span></span></span>
Answer:
the digestive and urinary
Explanation: