Why is it possible to swallow while standing on one's hands?
1. Valves in the digestive system keep food from moving backward.
2. Peristalsis pushes food along the digestive tract in the right direction.
3. Bacteria clog the digestive tube and prevent food from moving in the wrong direction.
4. A wave of muscle contractions called emulsification prevents food from moving backward.
Solved
Show answers
More tips
- S Sport How to Do a Jumping Split...
- A Animals and plants What Do Terriers Eat?...
- F Food and Cooking Discover the Benefits and Properties of Dates...
- C Computers and Internet Dynamically Assigned IP Address: What Is It and How Does It Work?...
- S Style and Beauty How to Get Rid of Acne: Scientifically Proven Methods...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
Answers on questions: Biology
- B Biology Describe the structure of the cell membrane....
- H Health Many experts recommend drinking how much of your weight in water? one-fifth one-quarter one-third one-half...
- H History 14. The factory process that made large amounts of the same product, resulting in cheaper prices was known as O A. Division of Labor O B. Flying Shuttle O C. Steam...
- P Physics The air along a lightning strike can be as hot as what?...
Ответ:
Peristalsis pushes food along the digestive tract in the right direction.
Ответ:
if u ask a tutor u can get the answer faster than waiting on others to respond to your question