The atomic components enter from our bodies mostly from what we eat, with the main exception being oxygen which comes from the air.
Answer:
I'm almost certain that it's mucus. (been a hot sec since I took a bio or anatomy class)
Explanation:
Here's a quote: "The colon secretes mucus to bind and lubricate the food waste to help it pass through smoothly as it is dehydrated." -the Cleveland Clinic
There is something called the lock and key mechanism; it has a shape that fits the substrate like a lock fits a key only substrates with a particular molecular shape
Answer:
here. BTW i'm in middle school
Explanation: carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur.
