Answer:
I'll put (r) if red, (b) if blue after each word
1. heart (b), _________, vena cava (b)
2. right ventricle (b)
3. pulmonary (b), lungs (b)
4. atrium (r), pulmonary veins (r)
5. ventricle (r)
6. ventricle (r), aorta (r), __________
Explanation:
I *think* both of the blanks would be heart, but I'm not positive. And I would guess the first would be blue, and second would be red.
Sorry I didn't get them all.
