AP BIOLOGY

ANIMAL PHYSIOLOGY

DIGESTION IN HUMANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The wave of muscle contractions that moves things along the alimentary canal.
A
peristalsis
B
digestion
C
egestion
D
absorption
Explanation: 

Detailed explanation-1: -Peristalsis is the automatic wave-like movement of the muscles that line your gastrointestinal tract. Peristalsis moves food through your digestive system, beginning in your throat when you swallow and continuing through your esophagus, stomach and intestines while you digest.

Detailed explanation-2: -Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.

Detailed explanation-3: -Peristalsis is a series of muscle contractions. These contractions occur in your digestive tract. Peristalsis is also seen in the tubes that connect the kidneys to the bladder. Peristalsis is an automatic and important process.

Detailed explanation-4: -The movement of organ walls-called peristalsis-propels food and liquid through the GI tract and mixes the contents within each organ. Peristalsis looks like an ocean wave traveling through the muscle as it contracts and relaxes.

Detailed explanation-5: -Peristalsis is the series of involuntary movements in the digestive tract. It is characterized by waves of alternate circular contraction and relaxation of the longitudinal smooth muscle of tube by which the contents are propelled onward. Medulla is responsible for the peristaltic movement of food.

There is 1 question to complete.