Mutualism because both animals benefit. The Elephant gets relived from the parasites that are on it and the bird gets food.
An amino acid is an organic molecule that is made up of a basic amino group (−NH2), an acidic carboxyl group (−COOH), and an organic R group (or side chain) that is unique to each amino acid.
Smoking ruins your lungs making it harder to breath and get oxygen
you need oxygen when you exercise so you don't faint
smokers get less so it is harder for them, its like trying to exercise while breathing through a sponge or a straw os
It shows the heliocentric idea of the solar system. In this view, the sun is at the center of the
solar system with planets orbiting around it. In the geocentric view, the earth is at the center of
the solar system.
Answer:
Alveoli
Explanation:
The smallest branches are called bronchioles and at the end of these are your air sacs (alveoli).
