35.3k views
1 vote
Which two system work tougher to provide oxygen to cell

User Bartvde
by
7.6k points

1 Answer

4 votes

Answer:

the respiratory system and the circulatory system

Step-by-step explanation:

User Geo Angelopoulos
by
8.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.