Human Systems Quiz

Which organ is responsible for the exchange of oxygen and carbon dioxide in the body?

• liver

• lungs

• heart

• stomach

What is the main function of the circulatory system?

• Transporting oxygen, nutrients, and waste products

• Producing hormones

• Regulating body temperature

• Filtering blood

Which organ is responsible for breaking down food and absorbing nutrients?

• heart

• liver

• small intestine

• stomach

What is the function of the nervous system?

• Control muscle movements and regulate body temperature.

• Digest food and absorb nutrients.

• Transmit signals and coordinate bodily functions.

• Produce hormones and maintain homeostasis.

What is the name of the tube that carries air from the nose to the lungs?

• bronchi

• trachea

• larynx

• esophagus

What is the name of the largest artery in the body?

• vein

• aorta

• arteriole

• capillary

Which organ stores bile and helps in the digestion of fats?

• pancreas

• stomach

• gallbladder

• liver

What are the three main parts of a neuron?

• soma, synapse, myelin sheath

• nucleus, cytoplasm, cell membrane

• axon terminal, neurotransmitter, synaptic cleft

• cell body, dendrites, axon

What is the process by which oxygen is transported from the lungs to the body's cells?

• respiration

• circulation

• digestion

• excretion

Which part of the digestive system is responsible for absorbing water from undigested food?

• large intestine

• esophagus

• small intestine

• stomach