The eardrum is a thin flap of skin that is stretched tight like a drum and vibrates when sound hits it.
The awnser is true!! I hope this helped!
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.
Not a specific genetic sequence, some doctors and scientists believe it could be hereditary and others do not believe it is genetic but instead develops due to psychological and environmental factors. Look up the rat park study.
