Meaning of "carry over"

[Lola]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #127 "Idioms with the phrasal verb carry", question 4

The liver regulates most chemical levels in the blood and excretes a product called bile, which helps ......... waste products from the liver.

(a) carry away
(b) carry through
(c) carry on with
(d) carry over

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #127 "Idioms with the phrasal verb carry", answer 4

The liver regulates most chemical levels in the blood and excretes a product called bile, which helps carry away waste products from the liver.

Correct answer: (a) carry away
_________________________

what does carry over means?

Lola

[Pamela]

"Carry over" means "to bring forward","carry forward"
Ex.The concert will have to be carried over till next week because the singer is ill(means,that the concert will have to be put off,brought forward.

Hope,it's clear!