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noname [10]
2 years ago
8

Which of these is NOT a reason for mitosis in humans?

Biology
2 answers:
adell [148]2 years ago
7 0

Explanation:

I think is

to replace dead cells

xz_007 [3.2K]2 years ago
4 0
A. To make sperm and egg cells
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Give an example of an organ that is included in more than one organ system. How does the organ's functions offer a unique contri
MAXImum [283]

Answer:

The correct answer is - ovaries.

Explanation:

Ovaries are organ which plays a distinct role in two different organ system and both roles of the organ are essential. Ovaries not only produces egg in the reproductive system but also produces the hormone which is part of the endocrine system.

The endocrine system is a system of chemical messengers which depends on the feedback loop to release the chemical messenger or hormone directly to the circulatory system, ovaries are part of this system as it produces a hormone.

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3 years ago
What process is most important in the expansion of plant cells?
Stella [2.4K]
Water uptake, water is 90% of the plant cells expansion
8 0
3 years ago
Distinguish between voluntary and involuntary actions.
sukhopar [10]
<h2>GREETINGS!</h2><h2>_____________________________________</h2>

<u>ANSWER</u><u>:</u>

<h2><u>DEFINITIONS</u></h2><h2>_____________________________________</h2><h3><u>VOLUNTARY MUSCLES:</u></h3>

Voluntary muscles are those muscles which work under our conscious control and can be controlled at will also we can choose choose them when to use and when not to use. These are simply SKELETAL MUSCLES attached to the bone, so all the movements of hand and legs and whatever u do are because of voluntary muscles.

<h3><u>__________________________________________________</u></h3><h3><u>INVOLUNTARY MUSCLES:</u></h3>

the muscles in the human body that do not work under our will and we cant control them. They are mainly controlled by the autonomic nervous system in the body. So, involuntary muscles include all the muscles whose activity which is not controlled by our NERVES. They are also called SMOOTH MUSCLES since they are present as the visceral layer over the organs.

<h2>_____________________________________</h2><h2>DIFFERENCES</h2>

1)      VOLUNTARY MUSCLES are under our control but INVOLUNTARY                 MUSCLES are not under our control

2)      VOLUNTARY MUSCLES are also known as skeletal muscles but INVOLUNTARY MUSCLES are also known as smooth muscles

3)      VOLUNTARY MUSCLES are attached to the bones in the body, but INVOLUNTARY MUSCLES are attached to the soft hollow internal organs.

4)      VOLUNTARY MUSCLES are controlled by the somatic nervous system. INVOLUNTARY MUSCLES are controlled by the autonomic nervous system.

5)      VOLUNTARY MSUCLES  require more energy. INVOLUNTARY MUSCLES require less energy.

<h2>_____________________________________</h2><h2>HOPE THIS HELPS!</h2><h2 />

8 0
2 years ago
Tanya is training a turtle for a turtle race. For every 1/6 of an hour that the turtle is crawling he can travel 1/24 of a mile.
frozen [14]

The rate at which Tanya's turtle travels is 0.25mi/hr

This question is from a topic in mathematics called Rate.

<h3>Rate</h3>

This is a ratio in which different terms in different units are compared against each other.

In this question, for every 1/6 of an hour, the turtle is crawling 1/24 of mile.

Data given;

  • 1/24 miles in 1/6 hour

Let's express this mathematically

1/24 mi = 1/6 hr\\x mi = 1 hr\\x = (\frac{1}{24})/(\frac{1}{6})\\x = 0.25mi

What this calculation shows is that the turtle travels at 0.25mi/hr

The rate at which the turtle travels is 0.25 miles in an hour or 0.25mi/hr

Learn more about rate here;

brainly.com/question/11408596

4 0
2 years ago
What is the need for cellular specialisation in a multi-cellular organism?
nexus9112 [7]
Cellular<span> differentiation is the process by which a less specialized </span>cell<span> becomes a more specialized </span>cell<span> type. Differentiation occurs numerous times during the development of a </span>multicellular organism<span> as the </span>organism<span> changes from a simple zygote to a complex system of tissues and </span>cell<span> types.

(Hope this helps)</span>
6 0
2 years ago
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