1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Arada [10]
3 years ago
13

What is peristalsis and where does it occur?

Biology
2 answers:
Airida [17]3 years ago
6 0
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.
Firdavs [7]3 years ago
4 0
Stomach muscles contracting
You might be interested in
The uppermost horizon, horizon O, in this profile is composed mostly of _________, while the lower horizon, horizon C, is compos
pickupchik [31]

<u>Answer;</u>

C) organic matter; rocks.

The uppermost horizon, horizon O, in this profile is composed mostly of <u>organic matter</u>, while the lower horizon, horizon C, is composed mostly of <u>rocks.</u>

<u>Explanation;</u>

-Soil contains the following major horizons, that is A B and C. Some soils may have horizon O, which may be thin or thick or even lack in some soils. This O horizon is found at the surface of many soils and normally contains organic materials at various decomposition stages. these are materials such as plants, leaves and bugs.

-C horizon is the layer that is below the B horizon. It contains larger weathered fragments or broken up-bedrock.

3 0
3 years ago
Read 2 more answers
Explain how a tree is considered living it doesn't move
zheka24 [161]
A tree is considered living because it takes in nutrients like other living things. The tree is also made up of cells which all living things are made up of. Trees can also produce offspring. Just like any other living thing.
5 0
3 years ago
Explain why cells regulate the synthesis of enzymes
Degger [83]

Answer:

Here's Why:

Explanation:

In living cells there are hundreds of different enzymes working together in a coordinated manner, and since cells neither synthesize nor break down more material than is required for normal metabolism and growth, precise enzyme regulation is required for turning metabolic reactions on and off.

8 0
4 years ago
In exothermic reaction,the energy stored in the reactants is _____ the energy stored
maw [93]
The answer is B) greater than 
8 0
3 years ago
Which of the following is not correct? All cells _____.
motikmotik
The answer would be <span>photosynthesize. Only plant cells use the process of photosynthesis to create ATP.</span>
3 0
3 years ago
Other questions:
  • How would the temperature on Earth change without the greenhouse effect? A. The temperature at the equator would be warmer. B. T
    7·1 answer
  • There are three phases in an action potential. they are __________.
    10·1 answer
  • The graph presents information about the climate of Dallas, Texas.
    5·1 answer
  • When you move the slide forward on the stage, in what direction does the "e" appear to move when viewed through the microscope?
    14·1 answer
  • What controls when and how fast cells grow and divide?
    14·2 answers
  • What organelle breaks down food
    11·2 answers
  • What effect has urbanization had on air pollution in the United States and around the world?
    11·1 answer
  • What are mutations and how do they affect an organism?
    15·1 answer
  • Determine if each factor is biotic or abiotic
    15·1 answer
  • ____________________________________ use reduced, preformed organic molecules (usually from other organisms) as carbon sources,
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!