73.5k views
4 votes
When does the circulatory system work with the respiratory system?

A. During blood cell formation
B. During cellular respiration
C. During intestinal digestion
D. During a viral infection

User Somy A
by
6.2k points

2 Answers

3 votes

A. during blood cell formation

User NOhs
by
6.9k points
5 votes
The answer would be A. Blood cell formation
User Andrii Kudriavtsev
by
6.4k points