Question

Which two body systems work together to deliver oxygen through the body?

A. digestive and excretory
B. reproductive and endocrine
C. circulatory and respiratory
D. nervous and digestive

please no gibberish or random letters i need help

Answer 1

circulatory and respiratory

Step-by-step explanation:

TOOK THE TEST (:

Answer 2

C. circulatory and respiratory

Step-by-step explanation:

The respiratory system is a system that is directly related to breathing and circulatory system is related to blood flow, which contains oxygen.