Answer:
Spinal Cord: D
Brain and spinal cord: A
Liver: G
Heart and bladder: B
Explanation:
The spinal cord is the bone in your back.
The brain is in your head obviously and the spinal cord, those are both included in A.
The liver is in your stomach.
And your heart is near your lungs in your chest and B includes that and your bladder.
I hope I could help!
