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xz_007 [3.2K]
2 years ago
6

The respiratory system is responsible for the exchange of oxygen with which gas?.

Biology
1 answer:
GuDViN [60]2 years ago
5 0

Answer:

CO₂, also known as carbon dioxide

Explanation:

In the alveoli, oxygen enters the bloodstream, and carbon dioxide exits, the latter to be exhaled from the lungs.

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How do trees act as carbon sinks?
Romashka [77]


The best answer is D.

A carbon sink is anything that absorbs more carbon than it produces or releases.

The main carbon sinks found in nature are plants, the ocean and soil.  Plants such as trees capture carbon dioxide from the atmosphere and use it in photosynthesis. Part of this carbon is transferred to soil as the trees and other plants die and decompose.

Due to the effectiveness of trees and other plants as carbon sinks,  the Kyoto protocol proposed that emission reduction can be achieved through absorption of carbon dioxide by these plants. 



5 0
2 years ago
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You want to determine the likely clinical course and possible complications for a sprinter who had a release for acute compartme
Ket [755]

Answer:

Ask for feeling of Numbness,, Pain,,Use of the affected limb,, Fever

Explanation:

All these tends to rule out the complications of this condition

6 0
3 years ago
What does she need from the food she ate and the air she breathes so that she can go on her run? How do Rosa's body systems work
IgorC [24]

The missing part of the question is as follows:

Rosa eats a peanut butter sandwich for lunch. Peanut butter contains a lot of protein, and bread is mostly starch. Rosa plans to go for a run later this afternoon. Rosa is breathing normally.

Answer:

1. The food she ate is peanut butter and bread, the peanut is rich in protein while the bread is rich in carbohydrate which provides sugar (glucose) by breathing she gets oxygen in a sufficient amount to perform cellular respiration (aerobic) to carry out energy for running. Carbohydrates are a better choice of nutrients befors exercise as carbohydrates provide energy immediately.

Aerobic respiration provides a high amount of energy, 36 ATP to be specific, per cycle of cellular respiration.

2.  The carbohydrates (glucose) and oxygen she gets from food and breathing react together to perform aerobic cellular respiration to carry out maximum energy. By the digestive system and organs of this system, carbohydrates are broken down into glucose which is diffused into the blood.

Oxygen also diffused to blood from the lungs and heart with the help of the respiratory and cardiovascular systems of her body.

3. By the aerobic cellular respiration process takes place in the mitochondria of the cell helps in providing energy from glucose and oxygen by a three-step process:

Glycolysis, the Krebs cycle, and oxidative phosphorylation. Here glucose reacts with oxygen. Which ultimately provide 36 ATP molecules for the cell in a run.

3 0
2 years ago
I would love to be helped with this
Citrus2011 [14]
It would be the 3rd option: Reaction to a stimulus helps maintain homeostasis.
Do you need an explanation? 
5 0
2 years ago
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How might an amino acid change at a site distant from the active site of the enzyme alter the enzyme's substrate specificity?
Fynjy0 [20]

Answer:

Answer is C. By changing the shape of protein.

Explanation:

The site where the substrate binds and the chemical reaction take place is known as the active site.

Note that , if there is changes in the pH, it can affect the active site of the amino acid residue which usually have acidic or basic properties that is important for catalysis, thereby making it hard for substrate to bind.

6 0
3 years ago
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