Answer:
Individuals with trisomy 13 often have heart defects, brain or spinal cord abnormalities, very small or poorly developed eyes (microphthalmia), extra fingers or toes, an opening in the lip (a cleft lip ) with or without an opening in the roof of the mouth (a cleft palate ), and weak muscle tone (hypotonia)
Explanation:
~The images below will hopefully help. :)
*The pulley is a lever, and it helps lifts things higher with less force then trying to normally pick it up.
I am pretty sure that Giant Pandas are close to endangerment