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kifflom [539]
4 years ago
6

Why are pulleys important?

Biology
2 answers:
vagabundo [1.1K]4 years ago
4 0
They make work easier, especially lifting things.
algol [13]4 years ago
4 0
Pulleys are important because they help us pull or lift the things that we can't with our hands.
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In "simple columnar epithelium," which word describes cell shape and which word describes the number of cell layers?
dolphi86 [110]

Answer:columnar describes cell shape.

Simple describe the number of layers

Explanation: epithelial tissues are one of the four major tissues of the body.the others being nervous, muscular, connective tissues.

Epithelial tissues are made up of thin cells that cover the external and internal surface of the body.

The cells may form one layer or more and they occur in several shapes.if they form one layer ,it is called simple.if they form several layers,it is called stratified.

Some are called pseudo-stratified because the cells occur with varying lengths and give the impression of stratified but they are actually made up of one layer.

Simple columnar epithelium is a single layer of tall, closely packed cells. They possess cellular extensions ,such as microvilli in the small intestine, or the cilia in the female reproductive tract.

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The brain is most of the ape's main gimmicks, aside from the opposable thumb. It allows us to not die without claws, fangs, and other evolutionary benefits.

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Which of the following agricultural practices can increase water pollution?
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Question 7 of 10
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