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ludmilkaskok [199]
2 years ago
11

What regulates the menstrual cycle?

Biology
1 answer:
zaharov [31]2 years ago
5 0
Increase and decrease in oestrogen and progesterone.
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Where are mid-ocean ridges found? What do the mid ocean ridges tell us about plate motion?
REY [17]

Answer:

Mid-ocean ridges are found in the sea floor at divergent boundaries because both plates are moving away from each other creating the opening for the lava to sleep up. Mid-ocean ridges are where sea floor spreading occur by lava seeping up to the surface of the opening and cooling therefore forming new ground and pushing older layers of ground further away.

8 0
2 years ago
Which transport process always involves the movement of materials from inside the cell to outside the cell?
katrin2010 [14]
C. exocytosis (I have to use 20 characters to respond and "answer it well". Exo means out/outside and exocytosis is an active transport system where a cell uses energy to transport material, like protein or waste, from inside a cell to the outside.) 
6 0
3 years ago
Read 2 more answers
The cytoplasmic extensions that, together with the cell body, provide the main receptive surfaces for neurons are the
Harlamova29_29 [7]

Answer:

The correct answer will be option- D.

Explanation:

Neurons are the cells which help in the transmission of the signals to and fro from the CNS and PNS to the body and vice versa. The structure of the neurons is divided into three main parts: the axon, dendrites and the cell body. The dendrites and axons are the extensions of the cell cytoplasm and together constitutes the neurites.  

The dendrites are the extensions of the cytoplasm which receives the signals either from the cell surface as well as the from the post-synaptic neurons and further process the signals.

Thus, option- D is the correct answer.

7 0
3 years ago
Proteins are used for all of the following except:
sveticcg [70]

Answer:

The answer is option D.

Signaling.

Hope this helps

4 0
3 years ago
What are the functions and vessels of the heart, and what are some cardiac disorders that might be life-threatening to a person
zavuch27 [327]

Answer:

The cardiovascular, or circulatory, the system supplies the body with blood. It consists of the heart, arteries, veins, and capillaries. but the things that might be life-threatening to a person or animal are;

Explanation: angina is a type of chest pain that occurs due to decreased blood flow into the heart this can harm animals and people. there is also - - - arrhythmia,which is or an irregular heartbeat or heart rhythm,

- congenital heart disease, in which a problem with heart function or structure is present from birth.

-coronary artery disease, which affects the arteries that feed the heart muscle.

- Heart attack, or a sudden blockage to the heart’s blood flow and oxygen supply this can kill. heart failure, wherein the heart cannot contract or relax normally,

- dilated cardiomyopathy, a type of heart failure, in which the heart gets larger and cannot pump blood efficiently and the last one is  

- hypertrophic cardiomyopathy, in which the heart muscle walls thicken and problems with the relaxation of the muscle, blood flow, and electrical instability develop

these are only a few that can harm or even kill a living thing like and animal or person these things are really harmful.

I hope this helps you!!

5 0
2 years ago
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