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professor190 [17]
3 years ago
12

_____ occurs when the heart has insufficient supply of oxygen or is unable to adequately remove carbon dioxide and other waste p

roducts.
Biology
2 answers:
insens350 [35]3 years ago
5 0

Answer:

A symptom of acute chest pain occurs.

Explanation:

Acute chest pain appears when no enough oxygen is reaching the heart muscles. The term angina pectoris means chest pain. It is more common in middle aged and elderly people and is seen in both men and women. It occurs due to conditions that affect the blood flow.

It should be differentiated from other conditions such as:

Heart failure where the heart does not pump blood effectively enough to meet the needs of the body.

Heart attack occurs when heart muscles are suddenly damaged by inadequate supply of blood.

Cardiac arrest is the condition where the heart stops beating i.e complete stoppage of heart beat.

GaryK [48]3 years ago
3 0

Answer:

chest pain

Explanation:

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How many new cells are produced from each parent cell during meiosis?
Dmitriy789 [7]
The answer is 4 new (daughter) cells.

In meiosis, it produces 4 daughter cells which are genetically different from both the parent and the other daughter cells.
the parent cell first duplicates its chromosomes, just like mitosis (the kind of division that leads to 2 genetically identical daughter cells) . Then it divides, leading to 2 genetically identical daughter cells. But this does not end here. The 2 daughter cells further divides into total of 4 daughter cells, but without duplicating the DNA. That's why, the daughter cells has different DNA materials.
These daughter cells has half of the parents chromosomes, and we call them haploid.

Haploid cells are usually common in gametes. When an organism reproduces sexually, 2 gametes fuse together and leads to diversity.
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3 years ago
recall from the video the steps of how to make a wet mount of cheek epithelial cells. place the steps of how to prepare a wet mo
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Epithelial cells are the cells that cover the inside and outside of your body's surfaces. They can be located on your skin, blood vessels, and organs such as your urinary tract.

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2 years ago
The independent variable is the only factor that a scientist
elena-s [515]
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3 years ago
A student performed an experiment with bags of dialysis tubing filled with distilled water to model the process of osmosis. Dial
Reil [10]

Answer:

Taking into account the principle of osmosis, the question that best addresses experimental design is  <em>How does the effect of environmental sucrose concentrations impact the  movement of water across a membrane?</em>

Explanation:

The experimental design of the student, made with dialysis bags and sucrose at different concentrations should recreate the principle of osmosis, of importance in living beings for organic homeostasis.

Osmosis consists of the movement of water - through a semi-permeable membrane - from a less concentrated solution to a higher concentration solution, following a gradient, to achieve balance.  

The student will observe in his experiment that water moves from the solution with less sucrose concentration to the higher concentration of sugar. Beakers with the highest concentration of sucrose will have the highest weight, due to the increase in liquid volume.

How does the effect of environmental sucrose concentrations impact the  movement of water across a membrane?

The experiment shows that:

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With this experiment the principle of osmosis is confirmed, where the concentration of a solute determines the amount of water that passes through a semipermeable membrane -following a concentration gradient- until equilibrium is reached.

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The water cycle can have an influence on
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Pathways, storage, transfers and transformations have an effect on the global climate and human welfare.
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