Answer:
They grow towards the sunlight to be able to generate energy
Explanation:
They need to do photosynthesis
Mitochondria is the site of respiration
Answer:
Hopefully this helps! If it doesn't, let me know!
Explanation:
Answer: prevent attenuation from occurring.
Blood flow to the heart via the following vessels:
1. superior vena cava
2. inferior vena cava
4. coronary veins/sinus