Answer:
<em>Vital organs</em>
Explanation:
How the human body works?
<em>Vital organs
</em>
These are the brain, heart, kidneys, liver and lungs. The human brain is the body's control center, receiving and sending signals to other organs through the nervous system and through secreted hormones. It is responsible for our thoughts, feelings, memory storage and general perception of the world.
<span>The preterite tell us specifically when an action took place and the imperfect tense implies that the past action did not a definite beginning or a definite end</span>
La respuesta es: *Podia*.
Porque están recordando cómo el abuelo podía andar sin bastón con sus 90 años. Podía del verbo poder es pasado.
Ustedes no se cepillan a las diez de la noche
