In which part of the human respiratory system does actual oxygen exchange take place?

1 answer:

7 0

The alveoli. These little air sacs are found on the end of the bronchioles and are the place where oxygen enters the blood and the carbon dioxide leaves.

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Help with question 2. A B & C. the gizmo is Cell Types

Mariulka [41]

A. Fine Focus.

B. Nucleus, Cytoplasm, and membrane

C. 30 Micrometer.

Erythrocytes are well known to have no nucleus but in fact, they lack most organelles such as the Golgi apparatus endoplasmic reticulum and mitochondria. Hair consists of two parts the root and the hair shaft. The root is the part of the living hair located in the middle layer of the skin the dermis.

Epidermal root cells in some plants produce root hairs and tubular growths that increase the surface area of the root. Unlike other cells in the body, red blood cells do not have a nucleus. This habit dates back to when mammals began to evolve. Other vertebrates such as fish reptiles, and birds have erythrocytes that contain dormant nuclei. To allow red blood cells to carry an increased load of oxygen cells evolved to function without a nucleus and other associated organelles.

Learn more about Cell Types here:-brainly.com/question/342784

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6 0

6 months ago

What is scince and physics physics bye friends mai 5pm ko on aunga

max2010maxim [7]

Answer:

THIS IS YOUR ANSWER:

Science is a study of nature human beings plants animals chemicals and machines

and pHySiCs is a part of science

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