When a muscle fiber is sufficiently stimulated, it will contract to its fullest extent or not at all?

Which sentence best expresses the differing opinions of these two book reviews?

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

How does the carbon cycle involve an exchange of carbon