Looking for trustworthy answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

Diffusion is:

the process of a concentrated substance moving into an area of lower concentration.

the rate at which oxygen is taken in by the alveoli and used by the body.

a type of cell that transports oxygen and carbon dioxide.

a cluster of air-filled sacs that move oxygen through the body.

Sagot :

Answer:

1

Explanation:

the answer is the first one

We hope this information was helpful. Feel free to return anytime for more answers to your questions and concerns. Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. We're here to help at Westonci.ca. Keep visiting for the best answers to your questions.