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
Semmy [17]
3 years ago
5

1. Blood in the gills runs in the opposite direction as the water outside the gill filaments. By running in the direction opposi

te the flow of water, the blood is always exposed to an area of water that has a higher level of oxygen. Oxygen moves across the membranes by diffusion. So if the gill had more oxygen than the water, the fish would lose oxygen to its surroundings. This is an example of:
Biology
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

Counter current  system  for oxygen exchange. This  process allow the exchange through diffusion of oxygen from higher concentration of water to lower concentration in the fish blood, from the surface of the  fish lammela,Therefore as  blood flows through the gill capillaries,oxygen at higher diffusion gradient,enters the capillaries, sustained by higher diffsuion rate of Oxygen Counter by opposite blood flow.

Explanation:

You might be interested in
When is the lac operon most active?
Vera_Pavlovna [14]

Answer: The correct answer to the question is option WHEN GLUCOSE LEVELS ARE LOW AND LACTOSE IS PRESENT.

Explanation: To start with,Lac operon can be simply defined as a part of the DNA that is under the part of the DNA is manipulated and controlled by the same promoter,they can be found in some prokaryotic cells giving room for regulation over excess synthesis of protein.so simply put,these specific segment of the DNA binds with the segment of the polymerase of RNA so that transcription of the mRNA from the operon genes will be achieved.

Lac operon is also known as lactose operon, it is seen in some enteric bacteria like e.coli where they play a crucial role in coding of genes for those proteins that function in moving lactose into the cystocel and digesting it to form glucose that is used for energy generation. These lac operon are are most active when glucose levels are low and lactose is present,with the low level of glucose, the lac operon can be transcribed to a high level,this is to ascertain that the bacteria only gets to activate the lac operon and can only make use of it,that is using lactose when all the preferred energy source from glucose has been exhausted.

6 0
2 years ago
This nerve influences nearly every internal organ. Can it improve our mental state, too?.
blsea [12.9K]
Yes, stimulating it with electrodes can potentially help improve mood and alleviate symptoms in those who suffer from treatment-resistant depression, among other ailments.
3 0
2 years ago
What happened to the tree population in this forest?
vlada-n [284]

Answer:

The answer is B

Explanation:

8 0
3 years ago
What is the origin of the word arthropod?
Kazeer [188]

Answer:

Etymology

Explanation:

7 0
3 years ago
Read 2 more answers
As filtrate passes through the long loop of Henle, salt is removed and concentrated in the interstitial fluid of the kidney medu
storchak [24]

Answer:

Nephron is the functional unit of kidney. The kidney contains around 4 to 5 million of nephrons in their structure. These nephrons helps in the blood filtration.

The loop of Henley passes down the filtrate for the production of urine. The excess salt is removed from the loop and deposited in the medullary part of the kidney. This is important as the nephron can now become hyperosmotic  medullary concentration and helps in the urine production.

7 0
3 years ago
Other questions:
  • The acquisition of a traditional masculine or feminine role is called Group of answer choices gender identification. heritabilit
    14·1 answer
  • Increased concern over the number of heat related illnesses among football players has led to a possible change in uniform desig
    5·1 answer
  • How fast do seismec waves caused by earthquakes travel​
    7·1 answer
  • What tissue makes up anterior and posterior fontanelles?
    9·1 answer
  • Food webs show the movement of energy through an ecosystem. The energy decreases as it moves from organism to organism. Where do
    11·1 answer
  • Sort the variables of these three studies based on whether they are independent or dependent variables.
    13·2 answers
  • What is the difference in terms of function and structure for arteries and veins?
    13·1 answer
  • What is the correct amino acid sequence for the given DNA sequence? TACACGTTCACC
    6·1 answer
  • Predict: Fill in the blanks with the word or phrase you think correctly completes the following sentences.
    11·2 answers
  • Which of these are a function of the system shown?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!