Muscle contraction is required for expiration. a. true b. false

straight or amphibians are homeothermic to thermal

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products

what in the weirdo : o

the dali lama

explanation:

he is quite fat and then we can talk about the details