in a frog it lets them have blood the same with the humans they both give blood to the body
Eustacian tube
The eustacian tube connects the inner ear to the back of the throat.
The ear
Eustachian tube.
the eustachian tube
the eustachian tube
The oviduct.
In the fallopian tube
the answer is the veins
It's the oviduct.
They contain the uterus(womb),ovaries,vagina and fallopian tube.
The Eustachian tube helps equalize pressure between the middle ear and the environment by allowing air to enter or exit the middle ear space. This process helps maintain proper ear function and prevent issues like ear infections and hearing loss.