What is true about the heart muscle? A.
It is just like any other muscle and grows stronger with use.
B.
It cannot pump more blood when conditioned.
C.
It doesn't grow stronger with frequent use.
D.
It does not maintain a higher rate during exercise.

What a self improvement for a busy person who had difficulty finding time to exercise/ dropping out of clubs and activities/ refusing social invitations from friends/ scheduling daily invitation activity/ sleeping fewer hours at night

Can someone give me one specific health problem, and explain it. !

Diseases may arise when proteins fail to fold correctly in their last stages of processing and/or are directed towards the lysosome rather than towards the cell membrane. cystic fibrosis is an example of this type of disease. in cystic fibrosis, a functional ion channel is sent to the lysosome for destruction rather than being sent to the plasma membrane. given this observation, the cellular component that is most likely the cause of the disease is the