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
Does anyone know the answer<br><br>Thanks​
Aliun [14]

Answer:

You inherited DNA from each parent

3 0
3 years ago
Read 2 more answers
2. Suppose you connect a battery to a small light bulb with a single wire. What do you think will
Art [367]

Answer:

the lightbulb will turn on

Explanation:

because in the circuit electricity is flowing from the battery through the wire into the lightbulb, giving it enough energy to turn on.

7 0
3 years ago
Read 2 more answers
PLEASE HELP ME!! ILL GIVE BRAINLESS!!!
777dan777 [17]

Answer:

1. Global warming is the change in the climate of the earth causing it to heat up whereas the greenhouse effect is a naturally occurring phenomena, constantly occurring due to the atmosphere and sunlight.

2. Carbon dioxide absorbs heat radiating from the Earth's surface and re-release it in all directions—including back toward Earth's surface.

3. Decomposition, ocean release and respiration.

6 0
1 year ago
How does energy change forms in a campfire?
Archy [21]

Answer:

the wood is being burnt leaving behind ash and changing a solid to a gas ( wood to fire )

Explanation:

3 0
3 years ago
What causes the global convection current between the equator and the poles
cestrela7 [59]
Temperature difference and Earth's tilt
8 0
3 years ago
Read 2 more answers
Other questions:
  • 9 times 10 to second power is ___ times grater than 3 times 10 to the -2
    10·1 answer
  • How are the muscles classified and how many types exist?
    11·1 answer
  • The nurse is assigned to care for a client who has chosen to formula-feed her infant. the nurse should plan to provide which ins
    5·1 answer
  • The first animal cloned by nuclear transfer was a _____ named Dolly.
    14·2 answers
  • Seeing the flag as an after image In red, white and blue supports which theory of color
    13·1 answer
  • According to symbolic interactionism, what is the effect of social stratification on the lower classes of society?
    10·1 answer
  • Question 7 (1 point)
    7·1 answer
  • which two statements describe disadvantages of selective breeding? this is my 5th time asking please help me. ​
    13·1 answer
  • Match the organisms with the type of symmetry they exhibit.
    10·1 answer
  • The bacterium in the diagram has been magnified so that it appears to be 2.0 cm in length. If its actual length is 2.0 µm, how m
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!