More cards in this set

Card 6

Front

The hearts role in open circulatory systems?

Back

Preview of the front of card 6

Card 7

Front

Closed circulatory system- the effect of having the blood enclosed in tubes?

Back

Preview of the front of card 7

Card 8

Front

Why is the closed circulatory system more affective than the open?

Back

Preview of the front of card 8