Water? That’s my guess I mean it kinda makes sense Imao
Answer:
15 B
16 C
17 B
18 A
Explanation:
In my opinion these are 100 percent sure answer
Answer:
Through the thin walls of the capillaries, oxygen and nutrients pass from blood into tissues, and waste products pass from tissues into blood. From the capillaries, blood passes into venules, then into veins to return to the heart.
Explanation: