Question

Body Systems Online Practice
Complete this assessment to review what you’ve learned. It will not count toward your grade.
2 of 122 of 12 Items


Question
Lungs expel waste from the body in the form of (1 point)
Responses

blood cells.
blood cells.

carbon dioxide.
carbon dioxide.

oxygen.
oxygen.

water.

Answer 1

The correct response is:

**carbon dioxide.**

The lungs expel waste from the body primarily in the form of carbon dioxide, which is produced during cellular respiration.