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Vinil7 [7]
3 years ago
7

Arrange the parts of the respiratory tract in a sequence that accurately represents the flow of air after a person inhales.

Biology
2 answers:
viktelen [127]3 years ago
8 0

Answer

Nasal cavity

Larynx

Pharynx

Trachea

Bronchi

Zigmanuir [339]3 years ago
4 0

Answer:

Nasal cavity, pharynx, larynx, trachea and bronchi.

Explanation:

Respiration may be defined as the process of the exchange of gases between the external environment, lungs and tissues. Oxygen is inhaled in and carbon dioxide is exhaled out from the body.

The first passage way of oxygen is the nasal cavity. From the nasal cavity, the air is passed to the pharynx. Pharynx is also known as the throat of the body. From the pharynx,  the air is passed to the layrnx. Larynx is the voice box. The air is then passed to the trachea or the wind pipe. From the trachea, the air is passed into the lungs that contains the small branches called bronchi.  From brochi to the alveoli and finally into the body tissues.

Thus, the answer is nasal cavity, pharynx, larynx, trachea and bronchi.

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What 3 functions do proteins have in a plasma membrane?*
Aliun [14]

Answer:

Explanation:

Proteins in the plasma membrane have several functions based on their components, location etc. For instance, if the protein transcends the entire plasma membrane it could be a transport protein, responsible for the import and export of certain molecules between the cell and the extracellular matrix (ECM). If the proteins are resting at the surface of the cell, facing the ECM, their role could be to detect components in the ECM, relaying a series of messages back to the nucleus so that the cell can ‘decide’ what it should do with this information (is it being told it should undergo apoptosis, should it begin to divide, should it migrate?). As well as this, it could be involved in the detection of foreign bodies such as pathogens. This is an extremely job for these proteins because if the cell does come in contact with a pathogen, the cell can use these proteins to engulf the pathogen and through a series of steps, present the antigen on their major histocompatibility complexes (either 1 or 2 depending on the cell type) or HLA’s for human cells. Thus it can be concluded that protein functions vary widely in the plasma membrane and due to the vast number of proteins that can be found there, it’s difficult to narrow down the exact main of functions of all these proteins put together.

4 0
2 years ago
In the visual system, the ________ of the eye is filled with a gelatinous material that helps focus light.
VladimirAG [237]

Answer: Center

Explanation: The space in the center of the eyeball is filled with a clear jelly-like material called the vitreous humor. This material allows light to pass through to the retina. It also helps the eye keep its round shape.

8 0
3 years ago
In flies, red eyes (R) are dominant to brown eyes (r). A heterozygous fly is crossed with a homozygous recessive fly
hichkok12 [17]

Answer:

The cross of a heterozygous fly with a homozygous fly can be shown as follows:

         r            r

R      Rr           Rr

r        rr            rr

The results show that there is a 50% probability that the flies produced will have red eyes. Their genotypes will be heterozygous.

The results of the punnet square show that there will be a 50% probability that the offsprings will have brown eyes. Their genotype will be homozygous recessive.

A homozygous trait can be described as a trait which has same alleles for the gene which encodes the trait. Heterozygous means that both the alleles for the trait will be different.

7 0
3 years ago
Arrange the parts of the respiratory tract in a sequence that accurately represents the flow of air after a person inhales.
viktelen [127]

Answer

Nasal cavity

Larynx

Pharynx

Trachea

Bronchi

8 0
3 years ago
Read 2 more answers
Which has been observed in the study of embryology?
marissa [1.9K]

Answer:

The correct answer is D.

Explanation:

Scientists observed and discovered that some traits in certain embryos disappear as the embryo develops.

Hopefully, this helps! :D

Ask your question below!

6 0
3 years ago
Read 2 more answers
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