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marin [14]
3 years ago
8

Which of the following phrases describe the function of the digestive system?

Biology
1 answer:
IrinaK [193]3 years ago
7 0

Answer:

B. ll and lll

Explanation:

The question above is asking for the <em>"function"</em> of the Digestive System. Function refers to how the digestive system actually works.

I is not related to the function of the digestive system. It only describes the<em> "esophagus." </em>

II is called the "Peristalsis." This is one of the functions of the digestive system. This allows the food to move down the GI tract.

III is part of the process called "Segmentation." This is one of the functions of the digestive system. The increase surface area of the microvilli expands 25 times and this allows greater absorption of food.

IV is not related to the function of the digestive system.

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In the history of astronomy, which of the following is true?
Naya [18.7K]

Answer:

Johannes Kepler was a student of Tycho Brahe.

Explanation:

Johannes Kepler joined the wealthy astronomer Tycho Brahe as a student as assistant. After the death of Brahe, Kepler used his observations data and based on it formulated the three laws of planetary motion. Galileo described the heliocentric model with planets revolving about the Sun in circular orbits which was corrected by Kepler. He corrected that the orbits are elliptical.

Ptolemy believed in geocentric model, according to which Earth is at the center of the universe. Galileo did not built observatory. Issac Newton believed in heliocentric model of the universe.

3 0
3 years ago
Două întrebări la sistemul respirator​
Viefleur [7K]

Answer:

How respiratory system works?

What are the components of respiratory system?

Explanation:

Our lungs expand when we breathe in through our nose and mouth. That air moves down our trachea, through your bronchi and into the bronchioles, where it enters your alveoli where blood capillaries are passes which load oxygen and unload carbondioxide gas which can be removed from our body through exhalation. Nose, mouth, throat (pharynx), voice box (larynx) , windpipe (trachea) , large airways (bronchi)  and lungs are the main components of our respiratory system.

3 0
3 years ago
Explain how the data from your experiments showed that cyanide was used to poison Jared, and that 2-deoxyglucose, arsenic and ol
Aliun [14]

The question is incomplete as the background of the case and symptoms of Jarod is not provided, however, the missing data required for the question is as follows:

Jared was investigating a drug cartel and ate a meal with one of the suspects. After the meal, he had trouble breathing and felt weak and dizzy. Jared may have been poisoned. He is being taken to the CIA hospital for treatment. You are a medical toxologist working for the CIA. It is your job to find out what poison was given to Jared and try to save his life. Patient: Jared Sondheim Age: 32 Occupation: CIA Agent Symptoms: Muscle Weakness Shortness of Breath Dizziness. Jared has arrived at the hospital! It is your job to find out what toxin was used to poison Jared. You can then give him the correct antidote to save Jared's life.

Answer:

Poisning by 2-deoxyglucose syops the glycolysis process which leads to cardiovascular and respiratory symptoms. Due to property of inhibiting the enzyme reqquired for glycolysis, glucokinase. So, there is no ATP production takes place.

Arsenic poisoning inhibits the second stae of cellular respiration, the Krebs cycle which leads to pyruvate accumalation. The symptoms associated with arsenic are diarrhea, sking tone, abdomunal pain, and muscle cramps.

Oligomycin is used as an antibiotic to inhibit proton ATPase present in mitochondria membrane which blocks ATP formation. Watery eyes, cough, congestion in chest and nose are sysmptopms of oligomycin poisining.

The symptoms cyanide poisoning are dizziness, short breath, nd muscle weakness which matches with the symptoms of jarod.

6 0
3 years ago
Read 2 more answers
Describe how deforestation has impacted the quality of life of the people living in brazil.
Dominik [7]
Deforestation has impacted the quality of life in Brazil by clearing out trees and forest to be able to build more houses, overall expanding population. If I'm not mistaken, this is the main reason. 

I hope this is the answer you were looking for and that it helps!! :)
5 0
3 years ago
Discuss with erica what appropriate internet usage on the job look like
gavmur [86]

Explanation:

Download or upload obscene, offensive or illegal material.

Send confidential information to unauthorized recipients.

Invade another person’s privacy and sensitive information.

Download or upload movies, music and other copyrighted material and software.

Visit potentially dangerous websites that can compromise the safety of our network and computers.

Perform unauthorized or illegal actions, like hacking, fraud,

8 0
3 years ago
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