Question

Indicate the color of blood in each of the following cases:

1. Blood entering the lungs (alveoli):
2. Blood leaving the lungs (alveoli):
3. Blood entering the organs (cells):
4. Blood leaving the organs (cells):​

Answer 1

1) blue

2) red

3) red

4) blue

Step-by-step explanation:

organs need red blood and they get rid of blue blood. the lungs are what changes blue to red, so the lungs take in blue and expels red blood.