Sorry about last question . . . forgot to put 40 points. 40 POINTS. BRAINIEST ANSWER, MAKE SURE IT'S RIGHT BECAUSE I CAN'T RETAKE IT AGAIN. AND YOU'LL GET REPORTED. PLEASE PLEASE HELP, DUE IN 2 MINUTES

1. Humans take in oxygen and release carbon dioxide using lungs. Which organism below uses book lungs to exchange oxygen and carbon dioxide?

A. Fish.
B. Bird.
C. Spider.
D. Airplane Plant

2. The following picture shows the human circulatory system.
What is the function of the organ marked as X?

A. To filter blood
B. To pump blood
C. To add oxygen to the blood
D. To remove carbon dioxide from the blood

3. There are three types of muscle found in the body. Where are these three types found?

A. Heart, brain, skeletal muscle
B. Heart, blood vessel walls, bones
C. Heart, skeletal muscle, blood vessel walls
D. Skeletal muscle, blood vessel walls, pancreas