Answer:
the answer at b says that the structure of the heart at animal x is straight and inbetween the Lungs but at animal y the structure of the heart is slightly tilted to the left
and the answer at c the most efficient blood circulation is at y because the blood is able to flood accordingly and it it well transported in the aorta
The first answer is A
the second answer is A
the third answer is either B or D
Answer:
not sure about this answer but here's the answers unit 7 test if anyone needs it
Explanation:
