the front surface of the body

Air sacs are surrounded by tiny blood vessels called...

weight control becomes more difficult for most people during early adulthood (20-40)

how many bones are in the spine

which cells are responsible for blood clotting

gas formed in respiration and exhaled in breathing

narrow passages in the lungs

very young infants can only breathe through their noses

three functions of the skeletal system

the sections of the spinal column in descending order

valve located at upper end of the voice box that prevents food from entering the larynx

a waste product of metabolism

the left atrium receives blood from the veins of the body

serves as a link between body and lower extremities

name three things that are made of smooth muscle

fibrous bands that connect bones to bones and support and strengthen joints

the airway consists of... (6 things)

many older people experience increased sensation to heat and cold

what 4 things do the ribs protect

the central nervous system is made up of..

flexible cartilage at the lower tip of the sternum

the exchange of carbon dioxide occurs how many times per minute

illness decreases vital signs

the ____ is located on the thumb, or lateral, side of the arm

to control bleeding from the neck you should apply pressure to which artery