Human Biology Quiz ChallengeOnline version Test your knowledge of human biology with this fun quiz game! by Iris Atienza 1 What is the basic unit of life in the human body? a Cell b System c Organ d Tissue 2 Which system is responsible for transporting blood throughout the body? a Digestive system b Nervous system c Circulatory system d Respiratory system 3 What organ is primarily responsible for detoxifying chemicals in the body? a Heart b Liver c Lung d Kidney 4 Which part of the brain controls balance and coordination? a Cerebrum b Brainstem c Thalamus d Cerebellum 5 What is the primary function of red blood cells? a Digest food b Fight infection c Transport oxygen d Clot blood 6 Which type of muscle is involuntary and found in the heart? a Smooth muscle b Cardiac muscle c Striated muscle d Skeletal muscle 7 What is the largest organ in the human body? a Lung b Skin c Liver d Heart 8 Which hormone regulates blood sugar levels? a Cortisol b Insulin c Adrenaline d Thyroxine 9 What is the primary function of the kidneys? a Digest food b Regulate temperature c Filter blood d Produce hormones 10 What is the role of the immune system? a Regulate hormones b Fight infections c Circulate blood d Digest food 11 science a b c d
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