Question

1/X1 + 1/X2 + 1/X3 = 1
Find X1,X2,X3​

Answer 1

Step-by-step explanation:

1/X1 + 1/X2 + 1/X3 = 1

Find X1,X2,X3

Answer 2

Answer:

The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.