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Ronch [10]
3 years ago
13

The suffix -ECTOMY means

Biology
1 answer:
Mashutka [201]3 years ago
6 0
It basically means removal;excision;resection
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What is the name of the Island chain that Darwin explored off the coast of South America?
aksik [14]

the Galapagos

While visiting the Galapagos in 1835, British naturalist Charles Darwin observed local plants and animals.

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2 years ago
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What part of the intestinal tract prevents backflow of food from the stomach into the esophagus? a. diaphragm b. lower esophagea
lara31 [8.8K]

Answer:

The correct option is b. lower esophageal sphincter

Explanation:

The esophagus is the initial part of the digestive tract and its function is the transport of the alimentary bolus from the pharynx to the stomach, through the thorax and avoid the reflux thereof. It begins and ends in two sphincter structures, the upper esophageal sphincter and the lower esophageal sphincter, which separate it from the pharynx and stomach. The lower esophageal sphincter has two functions: relax during swallowing and prevent reflux of the gastric contents into the esophagus in the postdeglutory period. After swallowing, there is a relaxation of the lower esophageal sphincter, pressure dropping to levels similar to those of the gastric fundus, which allows the bolus to enter the stomach. This relaxation lasts a few seconds and is followed by a strong contraction that prevents backflow of food.

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3 years ago
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What is the function of rhizoids?
Temka [501]
<h2>Rhizoids absorb water and nutrients from the surrounding soil. </h2>

Explanation:

Rhizoids are primitive root like structure in lower plants like bryophytes and sin fungi. Rhizoids are usually unicellular. However many plants exhibit multicellularity. Rhizoids functions as the roots in these plant,by absorbing water and nutrient from the surrounding soil. They may contain enzymes which helps in extracellular digestion in orgsnidm which have saprotrophic  mode of nutrition.Rhizoids provide a little anchorage to the substratum.

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3 years ago
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From which of the following does the right atrium receive blood?
olga2289 [7]

The right atrium receives blood returning from others parts of the body through the superior vena cava and the inferior vena cava.  

Explanation:

The pathway of circulation begins in the right atrium which receives the carbon dioxide-rich deoxygenated blood returning through the systemic circulation.  

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Both these venous systems (superior and inferior) fill the right atrium.

The right atrium then pumps the deoxygenated blood to the right ventricle via the tricuspid valve.

The right atrium is filled with blood during diastole.

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warm water near the equator rises towards the surface, creating a current. what would you expect to happen to this current if th
Zolol [24]
There would no longer be a current
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3 years ago
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