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
nasty-shy [4]
1 year ago
8

Amphibians have a closed circulatory system. What does this mean?

Chemistry
1 answer:
Eduardwww [97]1 year ago
7 0

According to the research, the correct option is C. Amphibians have a closed circulatory system this means fluids are contained in tubes.

<h3>What is the circulatory system?</h3>

  • It comprises the heart, arteries, veins and lymphatics and systems responsible for supplying oxygen and distributing blood to the different parts of the body.

  • In this sense, amphibians are tetrapod vertebrates that develop lungs whose blood circulates through a closed circuit of arteries and veins.

  • A closed circulatory system means that the blood, when circulating, always moves in the blood vessels, through which all the organs and regions of the body receive blood rich in oxygen.

Therefore, we can conclude that according to the research, the correct option is C. Amphibians have a closed circulatory system this means fluids are contained in tubes.

Learn more about circulatory system here: brainly.com/question/10103458

#SPJ1

You might be interested in
Which statement is true regarding carbonic acid (H 2CO 3)? If body fluids are too alkaline, carbonic acid is excreted through th
dimaraw [331]

Answer:

the correct option is : If body fluids are too acidic, carbonic acid is excreted through the respiratory system in the form of carbon dioxide and water.

Explanation:

Metabolic acidosis is compensated by two systems, the renal and respiratory systems.

In the case of the respiratory system, the mechanism it uses to compensate for this phenomenon is to release the carbonic acid molecule dissociated into its components, that is, in the form of water and carbon dioxide.

The greater the acidosis, the more hyperventilation the person will have, and this is because they seek to eliminate carbonic acid more efficiently and quickly, along with renal excision.

The metabolic acidosis generated by carbonic acid is lethal, since the proteins in our body are denatured and the homeostasis of all systems is corrupted.

8 0
3 years ago
What is the difference between weather and climate? Why is it so hot along the equator? Why are some areas of the ocean warmer t
ziro4ka [17]

Answer:

the weather is raining sunning or rainbow

because of the sun its so hot

because its cold snowing

because the oceans is water you can swimming

Explanation:

that is

3 0
2 years ago
Read 2 more answers
Compound a is an alkene that was treated with ozone (followed by dms) to yield only 4-heptanone. Draw the major product that is
olga nikolaevna [1]

Alkenes on reacting with ozone results in the formation of ozonide which undergo reductive  cleavage in presence of dimethyl sulfide to form carbonyl compounds (aldehyde or ketone). Whereas in presence of hydrogen peroxide it undergoes oxidative cleavage to form carboxylic acids or ketones.

Since, A alkene yields 4-heptanone only on treatment with ozone and DMS thus, it implies that both the chains on the side of the double-bond are similar the product is 4-heptanone that means the double bond is present between the chains at the 4th carbon. Therefore the structure of compound A is 4,5-dipropyloct-4-ene.

The reaction is as shown in the image.

The reaction of A with m-CPBA (meta-perchlorobenzoic acid) followed by aqueous acid H_3O^{+} is shown in the image.

m-CPBA (meta-perchlorobenzoic acid) is a peracid and forms epoxides on reacting with alkenes.

5 0
3 years ago
Radio waves are ____________ waves​
blsea [12.9K]

Answer: an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication.

Explanation:

6 0
3 years ago
Read 2 more answers
Which part of the atom is responsible for chemical bonding
Firdavs [7]

It states the fact, which we now know, that electrons are responsible for the chemical bonding. According to this theory, valency is the number of electrons present in the outermost energy shell of the atom. This energy shell is called valency shell.

4 0
3 years ago
Other questions:
  • What volume of 0.117 M HCl is needed to neutralize 28.67ml of 0.137 m KOH?
    7·1 answer
  • Which sample contains the greatest number of moles of cl? which sample contains the greatest number of moles of ? 3.8 mol hcl 4.
    8·1 answer
  • A mammoth skeleton has a carbon-14 decay rate of 0.49 disintegrations per minute per gram of carbon (0.49 dis/min⋅gC ). You may
    10·1 answer
  • Which of these provides the BEST evidence that the distribution of Earth’s oceans has changed over time?
    12·1 answer
  • Is H2CO3 an Arrhenius acid?
    14·1 answer
  • Escribe dos ejemplos para cada tipo de mezcla entre: ● Sólido-sólido:
    6·1 answer
  • Hydrogen containing all compounds are not acts as acids. Why?
    10·1 answer
  • 0.024 is how many significant figures?
    12·1 answer
  • You run an experiment to test the effects of temperature on solubility. What would you heat? A.) solvent B.) solute C.) the room
    9·2 answers
  • Plants such as _______________ provided much nitrogen to the soil.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!