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ipn [44]
3 years ago
13

The ozone layer absorbs​

Biology
1 answer:
erastovalidia [21]3 years ago
5 0

The ozone layer absorbs UV rays.

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How is a scientific law different from other laws in society?
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D

Explanation:

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Which body part from other systems does not interact directly with breathing?
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Answer:

The process of physiological respiration includes two major parts: external respiration and internal respiration. External respiration, also known as breathing, involves both bringing air into the lungs (inhalation) and releasing air to the atmosphere (exhalation). During internal respiration, oxygen and carbon dioxide are exchanged between the cells and blood vessels.

Respiration begins at the nose or mouth, where oxygenated air is brought in before moving down the pharynx, larynx, and the trachea. The trachea branches into two bronchi, each leading into a lung. Each bronchus divides into smaller bronchi, and again into even smaller tubes called bronchioles. At the end of the bronchioles are air sacs called alveoli, and this is where gas exchange occurs.

Diagram labeling the major structures of the respiratory system

Diagram labeling the major structures of the respiratory system

Image credit: Arteries and veins of the body by OpenStax, CC BY 4.0

An important structure of respiration is the diaphragm. When the diaphragm contracts, it flattens and the lungs expand, drawing air into the lungs. When it relaxes, air flows out, allowing the lungs to deflate.

Common mistakes and misconceptions

Physiological respiration and cellular respiration are not the same. People sometimes use the word "respiration" to refer to the process of cellular respiration, which is a cellular process in which carbohydrates are converted into energy. The two are related processes, but they are not the same.

We do not breathe in only oxygen or breathe out only carbon dioxide. Often the terms "oxygen" and "air" are used interchangeably. It is true that the air we breathe in has more oxygen than the air we breathe out, and the air we breathe out has more carbon dioxide than the air that we breathe in. However, oxygen is just one of the gases found in the air we breathe. (In fact, the air has more nitrogen than oxygen!)

The respiratory system does not work alone in transporting oxygen through the body. The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.

Studying for a test?

Explanation:

8 0
2 years ago
The gaps of unjoined membrane through which small molecules exit and enter capillaries are called __________.
Dafna1 [17]

Answer:

<h2>A </h2>

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1. A channel between two adjacent cells in known as an intercellular cleft.

2. And through these channels many molecules  can easily pass between cells.

3. Importance of Intercellular clefts:

i) It is very important in transportation of fluids and small solutes.  

ii) It contains gap junctions, tight junctions, desmosomes, and adheren proteins and these junctions help in regulate cell communication by signal transduction, surface receptors, or a chemogradient.

8 0
3 years ago
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What layer of the earth is solid and rocky?
podryga [215]
The mantle is made of a solid rocky substance.
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What is the cell cycle
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The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.
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