0-12 years
12-20 years
20-70 years
70 years +
newborn babies feed on their mother's milk
mothers give birth to live babies
have a backbone and an internal bone skeleton
we eat plants and other animals
We need food, water, and oxygen to stay alive.
We respond to the world around us.
We produce young.
Digestive
System
Respiratory
System
Circulatory
System
Excretory
System
Health and Illness - Page 26
Vomitar
fiebre
tos
agotamiento/cansancio
dolor
resfriado
otitis
gripe
esguince