Answer:
eukaryote
eukaryote is an organism whose cells contain complex, membrane-bond structures called organelles.
Explanation:
hope it help you
The pulmonary veins carry oxygen-rich blood between the lungs and the heart.
It is actually the only vein in the boy that carries oxygenated blood. A clue to answering questions about veins is that veins are blood vessels that carry blood towards the heart while arteries carry blood away from the heart.
Answer:
I think it is the last one D