Human Body Systems

Which organ pumps blood throughout the body?

What is the largest organ of the human body?

Which organ is responsible for filtering blood and producing urine?

What system includes the brain and spinal cord?

Which organ produces insulin?

How many bones are in an adult human body?

What is the longest bone in the human body?

Which blood cells carry oxygen?

What organ removes old red blood cells from circulation?

What system includes muscles, tendons, and ligaments?