two large organs that help us breath
lungs
a tube that delivers air to our lungs
trachea
how do pathogens enter the body
through a cut
this attaches bone to bone
ligament
what type of muscle is found attached to our bones
skeletal muscle
what gas was removed and exhaled out of our lungs
carbon dioxide
the place where gas exchange
alveoli
what are proteins that help destroy pathogens
antibodies
this is a place where two bones meet
joint
what type of muscle is found in your stomach
smooth muscle
what is the function of the respiratory system
To breath
this carries blood away from the heart
artery
what traps pathogens as they enter your nose and mouth
mucus and cilia
what is inside of our bones
marrow
what is the function of our muscular system
helps move our body and moves materials through our body
what are the bronchi
passages that direct air into the lungs
this carries blood to the heart
vein
saliva contain blank which helps fight pathogens
destructive chemicals
which of the following is the function of the skeletal system
support
protection of organs
movement of the body
what type of muscle do we choose to move
voluntary muscles
why do we need oxygen
to go through cellular respiration
what are arteries veins capillaries are
blood vessels
what kills pathogens that reach your stomach
strong acids
this cushion between two bones keeps them rubbing together
cartilage
what connect muscle to bone
tendon