Answer: Like us, fish also need to take in oxygen and expel carbon dioxide in order to survive. But instead of lungs, they use gills. ... As the fish opens its mouth, water runs over the gills, and blood in the capillaries picks up oxygen that's dissolved in the water.

4 0

2 years ago

n carrying out normal activities, cells use oxygen and produce carbon dioxide. The concentration of oxygen is higher in the bloo

OleMash [197]

Passive transport by diffusion

6 0

3 years ago

2) How many solutions does the equation 4x + 2(x-5) = 3(2x - 4) have? Write down the final form as well as if it has no solution

Brilliant_brown [7]

Answer:

0 = -2, hence no solution.

Explanation:

4x + 2(x-5) = 3(2x-4)

4x + 2x - 10 = 6x - 12

6x - 6x = -12 + 10

0 = -2

3 0

2 years ago

What should we do women there is a recovering danger of feminine​

What should we do women there is a recovering danger of feminine