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Lostsunrise [7]
3 years ago
8

Which is the definition of adhesion?

Biology
2 answers:
Liono4ka [1.6K]3 years ago
8 0

Answer:

The force of attraction between two different molecules

Explanation:

A great example of this is <u>transport of water in plants</u>.

As the water molecules travel up the xylem, there are forces of adhesion and cohesion that are present.

Cohesion is the force of attraction due to hydrogen bonds, of the water molecules to each other. Between one water molecule and another water molecule.

Adhesion is the force of attraction due to hydrogen bonds, of the water molecules being attracted to another object or surface, in this case, the wall of the xylem.

ser-zykov [4K]3 years ago
7 0
A type of force ( attractive) that causes two different things to join....
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Place the steps of the respiration process in the correct order.
noname [10]

During respiration, 3) Air enters the nostrils. 1) Air passes from the trachea to the bronchi. 4) Air diffuses from the alveoli to the blood cells. 2) Oxygen enters the blood cells. 5) Blood transports oxygen to other cells.

<h3>What is respiration?</h3>

During respiration process occurs gas interchange between the body and the environment.

There are two types of respiration,

1) External respiration involves two different stages, inspiration - inhalation- and expiration -exhalation-.

• During inspiration, the diaphragm and intercostal muscles contractions enhance the size of the thoracic box and reduce internal pressure. As a result, air flows in and fills the lungs.

• During expiration, the diaphragm relaxes, and the volume of the thoracic box diminishes, increasing the internal pressure and making the lungs contract, which results in air expulsion.

2) Internal respiration, during which blood and cells interchange oxygen and carbon dioxide.

Steps:

1) External respiration - Inhalation

Air passes from the environment to the lungs through the nose or mouth.

Oxygenated air moves

• From the nose or mouth to the pharynx.

• From the pharynx to the larynx.

• From the larynx to the trachea.

• From the trachea to the bronchia.

• From bronchia to bronchiole.

• Finally, from the bronchiole to alveoli.

Gas interchange with blood occurs in alveoli.

2) Internal respiration - Systemic circulation

The oxygenated blood moves from the lungs to the heart and the rest of the body.

Gases interchange occurs during this step. Cells take oxygen and release carbon dioxide.

Deoxygenated blood moves from tissues to the heart and from the heart to the lungs, releasing carbon dioxide there.

3) External respiration - Exhalation

Carbon dioxide is released by expiration.

Correct order of steps

3) Air enters the nostrils.

1) Air passes from the trachea to the bronchi.

4) Air diffuses from the alveoli to the blood cells.

2) Oxygen enters the blood cells.

5) Blood transports oxygen to other cells.

You can learn more about the respiration at

brainly.com/question/10862677

brainly.com/question/4190530

#SPJ1

<u>Complete question</u>

Place the steps of the respiration process in the correct order.

1) Air passes from the trachea to the bronchi.

2)Oxygen enters the blood cells.

3)Air enters the nostrils.

4)Air diffuses from the alveoli to the blood cells.

5)Blood transports oxygen to other cells.

7 0
1 year ago
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