Answer:
a change from one day to the next day
Http://faculty.southwest.tn.edu/rburkett/interactions_of_the_digestive_system.htm
Hope this will help!
Answer:
Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.
<span>False. Muscular strength cannot
be achieved without muscular endurance. Both are health-related fitness
components that depend on each other. When muscles are able to endure bouts of physical
exertion, strength is developed; and in the same way that strength cannot be
fully achieved if endurance is poor. All athletes must include in their
training the development of both to last in their specific events or
competitions. It should be a gradual build-up of activities with strength
leaning to the other end of the training program. </span>