Answer each question carefully. You can review your selections before submitting. You can also enable a timer to challenge yourself!
Q1:What do white blood cells do?
Q2:Which bones protect your brain?
Q3:Which organ helps with breathing?
Q4:What is the function of red blood cells?
Q5:How many lungs do humans have?
Q6:Which organ is responsible for pumping blood around the body?
Q7:What part of the body helps sense touch?
Q8:What is the main function of the immune system?
Q9:What does the skeletal system do?
Q10:Which system includes the brain and spinal cord?
Q11:What body system includes the stomach and intestines?
Q12:Which organ helps remove waste from the blood?