Answer:
D.) Oxygen-poor
Explanation:
The pulmonary veins are the vessels that carry the oxygen-rich blood to the left atrium
Answer:
Amygdala, nucleus accumbens, ventral tegmental area (VTA)
Explanation:
It's hard to answer this one without options since a lot of the parts of our brain is responsible for this, some may be minor but still plays a role. But those 3 are what I think would play the major roles.
Heart brain skin because you mostly use it your heart goes on forever your brain is what controls you and your skin is like a shield for your body
