Answer is b. Protein helps in increasing energy and enhancing performance of athletes. This helps rebuild muscle tissue and facilitate strength gains following intense exercise.
Changes in the size of population , age and race
The pancreas secretes trypsin and chymotrypsin enzymes which continue breakdown proteins into smaller peptides and some single amino acids. Carboxypeptidase also secreted by the pancreas splits single amino acids from the carboxyl end of proteins.
Bile, which contains a mix salts, is secreted by the liver . Bile salts help to continue digestion of fats by attaching to small fat droplets, preventing them from coalescing into larger droplets, thereby increasing their surface area so that they can be further broken down by lipase enzymes.
From the graph the students will have approximately ; ( 2 )
3 to 6 hours available to devote to fitness
From the pie chart the time allotted to leisure and sports is marked as 3 hours. While the time allotted to other activities in the pie chart is marked as 2.2 hours.
Therefore a college student has an approximate of ; 3 hours + 2.2 hours = 5.2 hours, which he can devote to fitness. And this number falls within the range of 3 to 6 hours.
Hence we can conclude that the student will have an approximate of 3 to 6 hours available to devote to fitness