Human Biology

What is the primary function of the human circulatory system?

• Transporting nutrients and oxygen to cells

• Digesting food

• Producing hormones

• Filtering waste from the blood

Which organ is responsible for filtering and detoxifying the blood in the human body?

• Heart

• Liver

• Kidneys

• Lungs

What is the basic structural and functional unit of the human body?

• Tissue

• Organ

• Cell

• System

Which part of the human brain is responsible for regulating balance and coordination?

• Cerebrum

• Cerebellum

• Brainstem

• Hypothalamus

What is the role of red blood cells in the human body?

• Fighting infections

• Carrying oxygen

• Clotting blood

• Producing antibodies

Which human body system is responsible for producing hormones?

• Nervous system

• Digestive system

• Endocrine system

• Respiratory system

What is the primary function of the human respiratory system?

• Exchanging gases

• Digesting food

• Circulating blood

• Producing energy

Which organ in the human body is primarily responsible for digestion?

• Stomach

• Heart

• Liver

• Pancreas

What is the main function of white blood cells in the human body?

• Carrying oxygen

• Fighting infections

• Clotting blood

• Producing energy

Which part of the human skeleton protects the brain?

• Rib cage

• Spine

• Skull

• Pelvis