Which of the following describes a negative feedback loop?When the heart rate is too high, the body sends hormones that continually increase the heart rate higher.
When a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones.
When blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows.
When a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs

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Answer 1
Answer:

Answer:

The statement - When blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows, describes a negative feedback loop.

Explanation:

In the human body, the term homeostasis means the tendency of the various systems in the human body to stay in optimal ranges for health by self regulation through feedback controls. It is very important because it maintains equilibrium and provides stability to the human body. A negative feedback loop (inhibitory loop) is a type of self-regulating system in which increased output from the system inhibits the future production by the system. Example of negative feedback to achieve homeostasis are blood pressure, body temperature,  blood sugar. In blood sugar regulation, the hormone insulin lowers blood glucose when levels are high and the glucagon increases blood glucose when levels are low. In a positive feedback system, the output amplifies the original stimulus. Examples of a positive feedback system are child birth, lactation, blood clotting etc. During child birth, the hormone oxytocin released increases and speeds up the contractions.


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Think of an activity that involves work. write about how work is transferring energy and where the transferred energy goes.

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In work, there's the transferring of energy that happens. One example of it is the kinetic energy in which you are pushing or pulling something. The energy that comes from your body is being transferred to the object that you are pushing or pulling with.

Which of these are negative effects of global warming? Check all that apply

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A. Low-lying coastal areas may flood.

C. Fertile land may become dust bowls.

D. Air quality decreases, posing threats to human health.

Answer:

When carbon dioxide is released into the environment, typically due to human activities and respiration in animals, it gets trapped in the atmosphere. Carbon dioxide is just one greenhouse gas, but as all of the gases accumulate in the Earth, the temperature begins to rise globally. There are many implications to this, including the melting of glaciers, bleaching of corals, and increasing necessity for air conditioning systems and ventilation. When glaciers melt, they become a part of the ocean, meaning that as more glaciers begin to thaw out, the ocean will being to grow up and out. As sea levels rise, humans and animals are left with no choice but to being moving to higher points of elevation to avoid sinking. Another consequence of glacial melting is the loss of habitat for animales in many environments. Those living in glacial areas will begin to lose the snow and ice they are built to withstand. Those living near the sea or at low points of elevation will lose their habitats as it sinks deeper into the ocean. Another problem with global warming is coral bleaching. As the ocean warms up from the rising temperature, corals will being to overheat until they become ”blaeched’ whihc essentially means that they die. Lastly, global warming will create an increasing necessity for air conditioning systems and ventilators. People who do not have access to these things or cannot afford them can risk health complications. Global  warming is a problem that cannot be ignore and the world needs to take more steps to plant trees and grasses that can photosynthesize the carbon dioxide into oxygen.

How do invasive Australian rabbits affect the food web?first to answer will get brainlyest

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Answer:they add another animal into it

Explanation: They’re not a native species and therefore not a usual meal for most predators. Since rabbits are herbivores they don’t have a prey

The rabbits cause damage to the food web by overgrazing native and sown pastures, leading to loss of plant biodiversity and reduced crop yields, and competing with native animals and domestic livestock for food and shelter.

What would happen to a cell if its mitochondria were removed?

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Well, the cell would be out of energy! The mitochondria plays a very important role in cell functions. With out it, it cannot do whatever job that needs to be acquired.
If the mitochondria was removed from a cell, the cell would no longer be supplied with energy for the mitochondria supplies ATP throughout each cell.

Lymphocytes are specialized ________________cells.

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lymphocytes are specialized T cell ,B cell, and natural killer cell .

these cells are distinguished from other lymphocytes by a protein on their surface known as the B cell receptor .these protein is specialized to recognize and attach to specific antigens.

How does fibre help the body ?

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It adds bulk to our stools.

It helps food to move through your digestive tract more quickly for healthy elimination.

Fibre helps prevent diseases, diabetes, heart disease, weight gain and cancers. It also helps with stool
hope that helps:)