The human body consists of how many major organ systems?
a) 8
b) 10
c) 11
d) 13
Which organ system is responsible for transporting oxygen and nutrients throughout the body?
a) Nervous system
b) Respiratory system
c) Circulatory system
d) Endocrine system
Which system controls voluntary and involuntary movements in the body?
a) Nervous system
b) Muscular system
c) Digestive system
d) Circulatory system
The main function of the respiratory system is to:
a) Pump blood
b) Remove waste from the body
c) Exchange oxygen and carbon dioxide
d) Break down food
Which organ is part of the digestive system?
a) Lungs
b) Stomach
c) Heart
d) Kidney
What is the primary function of the skeletal system?
a) Producing hormones
b) Breaking down food
c) Providing structure and support
d) Transporting nutrients
Which organ is responsible for filtering waste from the blood?
a) Heart
b) Liver
c) Kidney
d) Lungs
Which system includes the brain and spinal cord?
a) Endocrine system
b) Nervous system
c) Immune system
d) Digestive system
The skin is the largest organ of which system?
a) Circulatory system
b) Muscular system
c) Integumentary system
d) Digestive system
Which organ is the control center of the nervous system?
a) Heart
b) Brain
c) Lungs
d) Liver
Which system is responsible for producing hormones?
a) Nervous system
b) Digestive system
c) Endocrine system
d) Respiratory system
Which organ is NOT part of the respiratory system?
a) Trachea
b) Lungs
c) Esophagus
d) Diaphragm
The primary function of the lymphatic system is to:
a) Pump blood
b) Fight infections
c) Break down food
d) Remove toxins
Which organ stores bile for digestion?
a) Liver
b) Gallbladder
c) Pancreas
d) Stomach
What is the main function of red blood cells?
a) Carry oxygen
b) Produce antibodies
c) Fight infections
d) Help digestion
Which part of the skeletal system protects the brain?
a) Spine
b) Ribcage
c) Skull
d) Pelvis
Which system is responsible for reproduction?
a) Digestive system
b) Respiratory system
c) Reproductive system
d) Nervous system
What is the function of white blood cells?
a) Transport oxygen
b) Break down food
c) Fight infections
d) Store nutrients
Which organ removes carbon dioxide from the blood?
a) Kidneys
b) Liver
c) Lungs
d) Stomach
What is the main function of the excretory system?
a) Breaking down food
b) Removing waste from the body
c) Pumping blood
d) Regulating body temperature
Which system helps regulate body temperature?
a) Circulatory system
b) Skeletal system
c) Integumentary system
d) Endocrine system
Which part of the digestive system absorbs most nutrients?
a) Stomach
b) Small intestine
c) Large intestine
d) Esophagus
Which muscle helps with breathing?
a) Heart
b) Diaphragm
c) Stomach
d) Biceps
Which system includes the heart and blood vessels?
a) Nervous system
b) Circulatory system
c) Skeletal system
d) Endocrine system
What is the role of the pancreas in digestion?
a) Absorbing water
b) Producing insulin and digestive enzymes
c) Storing bile
d) Breaking down red blood cells
Which organ is responsible for detoxifying harmful substances?
a) Kidney
b) Liver
c) Lungs
d) Stomach
Which part of the nervous system controls involuntary actions?
a) Somatic nervous system
b) Autonomic nervous system
c) Central nervous system
d) Peripheral nervous system
Which organ in the urinary system stores urine before excretion?
a) Kidney
b) Bladder
c) Ureter
d) Urethra
Which system plays a role in maintaining homeostasis?
a) Endocrine system
b) Circulatory system
c) Nervous system
d) All of the above
Which system is responsible for movement and coordination?
a) Digestive system
b) Musculoskeletal system
c) Endocrine system
d) Excretory system
