You usually start off with twenty baby teeth. If she is losing four each year you would divide the amount of baby teeth by four:
20/4=5
So she lost all her teeth by Five years of age.
PS. which is quite young!
I would have to say B. because yelling and screaming doesn't necessarily mean people will help you with the stress, it won't reduce the stress maybe for a short while, but that stress will still be there and it can still be as strong as before, it won't punish your heart or nervous system because physically stress is capable of that. screaming and yelling can make you feel better, but the stress will still be there. <span />
Answer:
The correct statement is that Cardiac muscles have shorter absolute refractory period than skeletal muscles.
Explanation:
"Cardiac muscle also called heart muscle or myocardium is one of three types of vertebrate muscles, It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart."
