Question:
Where in the human body are red blood cells produced?
Answer:
Bone marrow
Choices:
Heart
Lungs
Bone marrow
Spinal cord
Trivia Crack Answers Main Page
Question:
Where in the human body are red blood cells produced?
Answer:
Bone marrow
Choices:
Heart
Lungs
Bone marrow
Spinal cord
Trivia Crack Answers Main Page