The ability of a muscle to shorten in response to a suitable stimulus is called
a. excitability
b. elasticity
c. contractility
d. extensibility

Which type of respiration takes place when there is no oxygen present

Match each term to its best definition? sedimentary depositional enviornment

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen