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
Aleksandr-060686 [28]
4 years ago
8

What physical properties are change by mechanical digestion

Biology
1 answer:
Jlenok [28]4 years ago
6 0
Mechanical digestion occurs in our mouths, when we use our teeth to break down our food. 

Physical properties that are changed are: 

a) Surface area of the food
b) Density
c) Hardness
d) Absorption 
You might be interested in
A mixture of mineral grains and rock fragments organic material water and gas that can support plant growth is called
Nataly_w [17]
Soil

Soil is the upper layer of the ground comprising of a mixture of sand, silt, clay, loose rock fragments, and organic matter that can support the growth of rooted plants. The relative proportions of sand, silt and clay determine the texture and size of the pores of the soil, which affects its ability to allow air and water to penetrate/infiltrate. 
6 0
3 years ago
In the human body, is every organ a part of only one organ system? Or are some organs a part of two or more organ systems? A. Ev
Ber [7]

C

<em>[From ck12.org] </em><u>"An organ can be part of more than one organ system. For example, the ovaries produce hormones, which makes them a part of the endocrine system; the ovaries also make eggs, which makes them a part of the reproductive system as well."</u>

8 0
3 years ago
What are some of the functions of vascular tissue in seedless plants?
pogonyaev

Answer:

Xylem transports and stores water and water-soluble nutrients in vascular plants.

Phloem is responsible for transporting sugars, proteins, and other organic molecules in plants.

Vascular plants are able to grow higher than other plants due to the rigidity of xylem cells, which support the plant.

Explanation:

Hope this helps!

4 0
3 years ago
A fish species lives in the coral-like tentacles of a primitive invertebrate. Scientists believe that fish droppings and scraps
LiRa [457]

The tentacles provide the fish with shelter from predators.

6 0
4 years ago
Read 2 more answers
Wegener’s theory of _____ says that land masses move slowly
Soloha48 [4]
I believe it is Wegener's Theory of Continental Drift.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Help please<br><br> Earth science
    13·1 answer
  • What important molecule is housed in the nucleus and directs the day to day activities of a cell?
    5·2 answers
  • When all the electron shells are full in an element, this creates a __________ ___________
    9·1 answer
  • What type of a consumer is krill?
    7·2 answers
  • the geographic isolation of two populations of a species tends to increase different between their gene pools because it
    15·2 answers
  • Covalent bonds between the sugar of one nucleotide and the _____ of the next nucleotide bond nucleotides together in a DNA stran
    5·2 answers
  • A local wind is felt to be blowing from north to south at ground level. At the top of the convection cell, the wind is felt to b
    8·1 answer
  • What happens to a cell in salty water and in fresh water and why
    5·1 answer
  • In which type of molecule is the ratio of hydrogen to oxygen
    13·2 answers
  • Help me pleaseeeeeeeee​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!