Respiratory system= breathing system
To keep our Respiratory system healthy we should:
1- never breathe in front of polluted areas
2- never pollute our areas
3- try to make our environment normal
From what lesson is this from? Just need to know
Your DNA came from them via meiosis and fertilization.
So, basically you are half dad and half mom.
Answer: D
Explanation:
animal that eat both meat and plants are classified as Omnivores
