Body Systems Bio Final

What is the main function of the liver?

perform metabolism, detoxification, and digestion (turned toxins into urea)

What is the main function of the lungs?

facilitate gas exchange (O2 in and CO2 out.

What is the main function of the kidneys?

filters H2O and urea, along with producing urine.

What is the main function of the ureters?

transports urine from kidneys to the bladders

What is the main function of the bladder?

reservoir to store urine controlling its release (expands and contracts)

What is the main function of the urethra?

a final passage for urine to exit the body

What is the main function of the spinal cord?

main communication link between the brain and the rest of the body

What is the main function of the cerebrum (brain)?

processes and relays information to perform conscious and voluntary actions

What is the main function of the cerebellum (brain)?

sends information about muscle and joint positions as well as sensory inputs

What is the main function of the brain stem?

connects the brain to the spinal cord and regulates the flow of information from the brain and the rest of the body

What is the main function of the alveoli?

dissolve O2 into moisture and diffuses into capillary blood

What is the main function of the trachea?

produce mucus to trap inhaled particles from inhaled molecules

What is the main function of the nasal cavities?

warms air and hairs to catch particles; a filter for the lungs

What is the main function of the bronchial tubes?

tunnels that run through the lungs and limit the size of molecules

What is the main function of the larynx?

two elastic bands to change pitch of voice and vibrate to make sound by passing air

What is the main function of the diaphragm?

main breathing source, fills with air and swells (a muscle)