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
Lady bird [3.3K]
3 years ago
11

Why does menstruation happen?

Biology
2 answers:
DedPeter [7]3 years ago
6 0
The menstrual<span> cycle </span>occurs<span> due to the rise and fall of hormones</span>
Troyanec [42]3 years ago
4 0

During that, menstruation stops because the blood came from the uterus protect it and give nourish to the fertilized egg. It usually happen because a sperm cell meet it. When menstruation happens, it develop an egg cell and carried out with the lining of the uterus called the endumetrium because it dies.

You might be interested in
Which of the following is a result of natural erosion?
maw [93]

Answer:

its c

Explanation:

8 0
3 years ago
Read 2 more answers
In assembling a nucleosome, normally the …(1) histone dimers first combine to form a tetramer, which then further combines with
Readme [11.4K]

Answer:

option 1

Explanation:

In assemblying the nucleosome, this reaction occurs in two main steps. the H3 and H4 are recruited first to the DNA in pairs forming the H3/H4 tetramer; meaning two of H3 and two of H4. This gives rise to the nucleosome precursor. Then after this, the dimers of both H2A/H2B are recruited to this precursor, to give rise to the octamer structure around which the DNA is wrapped.  

7 0
3 years ago
What new character did john dalton add to the model of the atom
ExtremeBDS [4]

the answer would have to be Democritus

5 0
3 years ago
Which causes a sea breeze?
vodka [1.7K]

The wind will blow from the higher pressure over the water to lower pressure over the land causing the sea breeze.

This causes the low surface pressure to shift to over the ocean during the night and the high surface pressure to move over the land.

<h2><u><em>Air above land warms quicker than air over water.</em></u></h2>
6 0
2 years ago
Read 2 more answers
Why is soil important to plants?
Elena-2011 [213]

Answer:

D-all of the above

Explanation:

The answer is D because....

  • Step one, It is not A Because although the statement is true it is not the best answer to fit the question. The soil does provide nutrients but it also does more, it provides temperature control, anchorage for the plant, and  the soil contains oxygen in it to help the plant grow.
  • Step two, lets look at B it provides them with water. Although this is true like A, it does more than provide them with water. It provides them a medium for growth.
  • Step three, So this answer is not correct because based on the option choices for option D all of the above is correct. It provides them a medium for growth to the plants likings.
  • Step four. This is correct because all of the above are true and best explain why soil is important to plants.
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which statement best describes the structure of a lipid molecule
    10·1 answer
  • which advance in biotechnology has benefited mankind by providing a DNA catalogue for further research in genetics ans disease p
    15·2 answers
  • Explain how sustainability is dependent on the ecological footprint
    14·1 answer
  • If a couple has a one-in-four risk of having a child with an inheritable disease,<br>then​
    14·1 answer
  • Cell with membrane bound organelles and a nucleus
    10·1 answer
  • The difference between generalized and specialized transduction is:___________
    7·1 answer
  • When compared to a cheek cell, a muscle cell would contain more
    11·1 answer
  • Choose the term that best matches the description given. Treatments that destroy or decrease the growth of a microbe infection i
    14·1 answer
  • What is a DNA fingerprint? (FORENSICS)
    6·1 answer
  • The fatty membrane that hangs like an apron from the inferolateral margin of the stomach and overlies the small intestine is cal
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!