Why can an animal survive longer without food?

1 answer:

5 0

It depends on the type of animal, but if, for example, you're talking about one lower on the energy pyramid (like a chicken, for example) then this is because of the energy distribution. When an animal consumes something else, it absorbs about 10 percent of the energy of that creature.

So, lets say a plant has 1000 units of energy. Then a bug comes along, and eats the plant, absorbing 100 units (10 percent) of that energy. Then, a chicken eats the bug, absorbing only 10 units of that energy. Finally, a human eats the chicken, getting only 1 unit of the original energy.

The reason that something like a bug has to eat less than a human, is because it gets more energy directly from the plant.

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During normal heart function what is the sequenced electrical depolarization of the following components

kirill [66]

The SA Node is the heart's normal pacemaker. When the SA Node depolarizes, electrical signal spreads through the atrial muscle causing contraction.

Explanation:

Inherent rhythmicity / automaticity - The property of the pacemaker cells of the heart to start electrical sequence of depolarization and repolarization.

SA Node or Sino-atrial Node generates the electrical signal.

The electrical signal passes through internodal pathways, atrial fibres, atrioventricular node (AV Node), the bundle of His, Purkinje fibres, right bundle branch, left bundle branch.

Systole - Contraction of cells when the electrical signal of depolarization reaches the contractile cells.

Diastole - Relaxation of cells when the electrical signal of repolarization reaches the myocardial cells.

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2 years ago

Which of the following are ways in which drugs can be administered?

Ostrovityanka [42]

Orally, injection, topically, inhalation are drugs can be administered.

<h3>What is drugs?</h3>

Substances that alter a person's mental or physical state are known as drugs.
They may have an impact on how brain functions, emotions, behavior, understanding, and senses.
They are therefore erratic and harmful, particularly for children.
Drug effects vary depending on the user and the substance.
Medicines are substances or chemicals that alleviate symptoms, treat, stop, or prevent illness, or help with disease diagnosis.
Modern medicine has made it possible for doctors to both save and cure many ailments.
Nowadays, there are numerous sources for drugs.
The advantageous effects of medications include things like decreasing blood pressure, treating infections, and relieving pain.
When use a medication, there is a danger that something unpleasant or unexpected.

Learn more about drugs here:

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5 0

1 year ago

Which hygene claim is supported by research ?

kati45 [8]

Answer:

what is the question to this?

Explanation:

4 0

3 years ago

Read 2 more answers

Most muscle tissue is striated because it contains

miss Akunina [59]

B layers of substances that help the tissue move

8 0

3 years ago

Inorganic elements that are found in foods that the body needs to function properly are:

Setler [38]

Answer: c. Minerals, b. Vitamins

Explanation:

There are two inorganic elements in this question that are found in foods that the body needs to function properly and those are minerals and vitamins.

They can be taken through food or they can be taking through medicaments and bought in a pharmacy store.

There are many vitamins that are helping people in proper function, one of them are Vitamin C, D, A, vitamin B, vitamin B12, and more.

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2 years ago