water
Living things keep themselves alive by breathing in oxygen and breathing out Carbon dioxide.
Respiration.
Both snails and fish are alive. if they were not alive they would not have a heart or any other things that keep beings alive and functioning.
Do things that's native to your culture.
limpid system
Food and water.
There is sush things of plants to keep us alive
oxetn and food and menice
your mom, food, water and your little sis
You need to take care of living things around you such as plants to keep them alive and keep us alive they give us oxygen.
They help keep things (body or animals etc) healthy and alive.
ATP, oxigen, heat, water.