Answer: A = central nervous system B = peripheral
Explanation:
:) hope it helps
1. Atrium
2. Ventricle
3.left ventricle
4. they pump blood throughout the body
5.superior vena cava
6. Pulmonary vein
7.Four heart valves control the flow of blood through the heart. They act as one-way doors, opening to let blood exit or enter a chamber, then closing to keep blood from flowing backward.
The correct answer is D. Most flower petals are bright colors in order to attract organisms like bees or hummingbirds for pollination
Hope this helps
Answer:
Its either B or C but I would go with C
Explanation: