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oksano4ka [1.4K]
3 years ago
14

2. A structural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of:

Biology
1 answer:
Ierofanga [76]3 years ago
8 0

Answer: rings made from cartilage.

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Biology homework please help
ludmilkaskok [199]

Answer:

muscles

ribs

lungs

bronchioles

alveoli

diffuses

leaves

exchange

Explanation:

Your diaphragm, and <u>muscles</u> between your <u>ribs</u>, make air move in and out of your <u>lungs</u>. It travels through the trachea, bronchi, and <u>bronchioles </u>to <u>alveoli</u>. In the alveoli, oxygen <u>diffuses</u> into the blood and carbon dioxide<u> leaves</u>. This is gas <u>exchange</u>.

<em>Air enters the lungs and leaves it as a result of the relaxation and contraction of the diaphragm and the muscles between the ribs. When both the muscles and the diaphragm relax, air enters from the trachea and travels through the bronchi and the bronchioles to the alveoli, where the oxygen in the air diffuses into the blood and carbon dioxide diffuse in the opposite direction. The entire process is known as gas exchange.</em>

7 0
2 years ago
Hemolytic disease of the newborn could be of concern when an
34kurt
<span>Rh-positive fetus and an Rh-negative mother condition occur.</span>
4 0
3 years ago
Help me pleaseeeeeeee asap
babymother [125]

Answer:

yes              

Explanation:

8 0
3 years ago
Through _______ larger molecules are formed
HACTEHA [7]

Through Polymerization larger molecules are formed.

4 0
2 years ago
Read 2 more answers
What are the factors that contributed to the success of pteridophyte as land plant
Anna35 [415]

Two factors contributed to the success of the pteridophytes: the extreme miniaturization of the gametophytic generation and an important development of the sporophytic generation (development of the tree forms).

Pteridophytes are a group of plants that peaked in the Carboniferous (-300 million years). It is the first great terrestrial plant civilization. These plants would have appeared in the Devonian -400 million years ago, perhaps from certain primitive terrestrial plants which, unlike bryophytes, would have favored the diploid generation on the haploid generation.

Particularly well adapted to terrestrial life, they have created, thanks to the development of tree forms, immense forests whose fossilization is at the origin of coal deposits.

Pteridophytes are at the origin of an evolutionary lineage based on the extreme miniaturization of gametophytic generation and an important development of sporophytic generation, leading to all tracheophytes including current flowering plants. Pteridophytes are well adapted to terrestrial life, however fertilization still requires the presence of water since male gametes are swimmers.

8 0
3 years ago
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