What is the Immune systems main function.
to protect the body from harmful substances
what is the respiratory systems main function
to exchange gases
what is the muscular systems main function
produce movement by contracting muscles attached to bones
what is the digestive systems main function
breaks down food into simple nutrients such as carbohydrates, fats and proteins
what is the skeletal systems main function
provide structural support for the body
what are the strongest cells in the Immune system
T cells
what gases does the respiratory system exchange
Oxygen and Carbon dioxide
what is the largest muscle in the body
gluteus maximus
what is the largest organ in the digestive system
the small intestine 22 feet long on average
what is the largest bone in the body
the femur
what can weaken your immune system long term
smoking alcohol poor nutrition
what is the biggest organ in this system
the lungs
what muscle do humans use the most
the diaphragm
whats the most used enzyme in digestive system
pepsin
whats the weakest bone in the body
the clavicle or collar bone
how do vaccines work with the immune system
the vaccine introduces a weakened version of that disease causing agent which triggers the immune system to produce antibodies to fight against it
what part of your body can you live without that is involved with the respiratory system
the nose as it is used to smell
whats the easiest muscle to grow
the quadriceps
is the digestive system the most important system true or false
what bone now serves no purpose to us
the coccyx