What happens to the body if the urinary system no longer functions?
1. the body cannot fight infections
2. toxic cellular waste builds up
3. nutrients cannot reach cells
4. oxygen cannot reach cells

1. the is the thinnest part of the earth. 2. the is the thickest part of the earth. 3. what metals are mentioned in the text?

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water