Answer:
Her eyes send signals to the brain. Her brain gets the signal and sends another one through her nerves to her muscles. Her muscles then move her arm or leg toward the ball to try and block it.
Explanation:
Simple science. If I could help you, you are welcome. if I couldn't I'm sorry.
The correct is the first answer.
Exactly how many chromosomes we are talking about depends on the species. A mosquito has 6 chromosomes, a pea plant has 14, a sunflower 34, a human being 46, and a dog 78. Closely related species tend to have a similar number of chromosomes.