The sodium-potassium pump is a type of active transport that moves 3 sodium ions into the cell and 2 potassium ions out of the cell. I cover why the pump is needed and provides an overview of this type of active transport cells use to move important objects into and out of the cell.
ATP is used to change the shape of the carrier protein allowing the sodium and potassium to move across te cell membrane.

I use a factor tree in order to find the cube root of 216.
This video is part of a playlist of finding the cube root of numbers 1 through 50

Learn how to solve problems involving Boyle's law. Boyle's law states that as pressure increases then volume decreases and pressure decreases volume increases.
I use the Boyle's law formula Pressure x Volume = K
Example problem:
3.00 L of a gas is at 740.0 mmHg pressure. What is its volume at standard pressure?

A gas occupies 12.3 liters at a pressure of 40.0 mm Hg. What is the volume when the pressure is increased to 60.0 mm Hg?

In this video, I review each of the major biogeochemical cycles. I include carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur cycles

For more Math help visit our website
http://www.moomoomath.com/

Biogeochemical Cycles - How the Earth Recycles
https://moomoomath.com/how-the....-earth-recycles-elem

The spleen is located in the upper left abdominal cavity, just beneath the diaphragm, and next to the stomach. It is similar to a lymph node in shape and structure but it is much larger.
An easy way to remember the anatomy of the spleen is the 1×3×5×7×9×11 rule. The spleen is 1" by 3" by 5", weighs approximately 7 oz, and lies between the 9th and 11th ribs on the left-hand side.
Your spleen is considered part of the lymphatic system.

the spleen consists of two types of tissue called white pulp and red pulp. The white pulp is lymphatic tissue consisting mainly of lymphocytes around arteries. The red pulp consists of sinuses filled with blood and lymphatic cells,

As blood is filtered through the spleen old and damaged red blood cells are removed from the blood. In addition, the spleen produces lymphocytes in response to invading pathogens found in the blood. The spleen is like a large lymph node that filters blood instead of lymph looking for invaders like harmful bacteria. White blood cells stored in the spleen help remove and eliminate these invaders. It is particularly helpful when fighting meningitis and pneumonia

The spleen also stores blood. The sinuses in the red pulp of the spleen are filled with blood and can be used in case of an emergency.

You can live without your spleen. your immune system won’t shut down without a spleen, but it won’t operate as efficiently.

Nervous System controls the human body by sending electrical signal through out your body.
The nervous system can be divided into the central nervous system and the peripheral nervous system.

Body's response to stress
We are exposed to stress often and it can trigger our fight or flight response.
In addition, our body reacts to stress in several different ways.
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

By using the formula pi times radius squared times height you can calculate the volume of a cylinder.
I also cover how to calculate height if you are given the radius and volume and how to calculate the radius.
This guide will help
0:29 Steps for finding the volume of a cylinder
0:47 Formula for finding volume cylinder
1:28 Find the height of a cylinder given the volume
3:07 Find the radius of a cylinder given the volume

Hydrostatic skeleton
Worms and Jellyfish have an internal skeleton created from a fluid called a hydrostatic skeleton.
An internal cavity called a coelom fills with fluid and basically inflated the animal.
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

The exterior angles of a polygon are angles drawn from an adjacent side. The exterior angles also add up to 360 degrees.The interior and exterior angles add to 180 degrees.

Resources: Major Organ Systems
http://www.moomoomathblog.com/....2017/02/resources-11
I need help memorizing the 11 organ systems!!
Use these mnemonic devices to help you memorize the 11 body systems. Mnemonic device are very powerful and helpful for memorizing and you can apply this to the 11 organ systems of the human body.
Here are the 11 systems
muscular
skeleton
reproductive
integumentary
endocrine
nervous
circulatory
urinary
digestive
lymphatic
respiratory

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Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"
https://www.youtube.com/watch?v=f3bsg8gaSbw
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

In this video, I go through the multiples of 4 up to 20. Knowing the multiples of four and other numbers helps build your number sense.

Multiples of 4
http://www.moomoomathblog.com/....2021/12/parasitism-d

How to use the Pythagorean Theorem to find the hypotenuse or a leg length.
Learn how to use the Pythagorean theorem. The Pythagorean theorem expresses the relation among the three sides of a right triangle. A right triangle is a triangle with one angle of 90 degrees. This theorem can be used to calculate the missing length of a right triangle. The Pythagorean theorem states that the square of the hypotenuse is equal to the sum of the squares of the two sides equals the square of the hypotenuse. The hypotenuse is the side opposite the right angle.

Example problems
Calculate the hypotenuse of a right triangle given the side lengths.

Calculate the length of the missing side.

Additional Resources
https://www.youtube.com/watch?v=yWwEGZZ8zwA
The Pythagorean theorem
http://www.montereyinstitute.o....rg/courses/Developme

Skittles demonstration of the Pythagorean theorem
https://youtu.be/pItvzCGjZJY

Different types of triangles classified by side length and angle length.
A Scalene triangle has three different side lengths.
An isosceles triangle has two congruent or equal sides, and an Equilateral triangle has three congruent or equal sides.

Triangles can also be classified by their angles.
There are three angles often associated with triangles.
Acute angles are less than 90 degrees
Right angles are exactly 90 degrees
Obtuse angles are greater than 90 degrees

All triangles have two acute angles and the third angle determines the type of
the triangle you have.

An acute triangle is a triangle with three angles that measure less than 90 degrees
An obtuse triangle is a triangle with one angle greater than 90 degrees.

A right triangle is a triangle with one right angle or ( 90 degrees).

More on Types of Triangles
https://moomoomath.com/what-ar....e-the-different-type

Learn how to round decimals properly. The problem is it is hard to remember if you should round up or down.You can use
Four and below let it go
Five and above give it a shove
Round .15 to the tenth place
Round .8534 to the nearest hundreth

For more Math help visit our website
http://www.moomoomath.com/

Learn how Meiosis is different than Mitosis.
To begin with What is the goal of mitosis and meiosis?
They both create new cells. Both mitosis meiosis start with diploid cells.
Mitosis creates body cells that are diploid. diploid means they have two sets of chromosomes. In humans each body cell has 23 pairs of chromosomes or 46 total.

Meiosis also creates new cells but these cells are gametes which for males is sperm cells and for females it is egg cells. These cells are haploid which means they have one set of chromosomes.

In this video, I cover the indendent variable,the dependent variable, and control variables.
The independent variable is what you manipulate, the dependent variable is the variable you measure, and control variables need to remain constant to insure accurate results.

For more Science Variables Examples
http://www.moomoomathblog.com/....2019/02/learn-scienc

Learn how Peroxisomes help keep cells alive. Peroxisomes are sperical organelles found in eukaryotic cells that break down fatty acids, convert hydrogen peroxide, and protect the cell from ROSs.

Phytoplankton and zooplankton plankton are organisms found in the ocean and bodies of freshwater that drift and cannot swim against the current.
In this video, I would like to talk about two types of plankton
Phytoplankton and zooplankton.


Zooplankton is derived from Greek and means animal drifter
Although most zooplankton is microscopic, some are larger such as jellyfish.


Phytoplankton means plant drifter
Phytoplankton is photosynthesizing microscopic organisms found in the upper sunlit layer of all oceans and bodies of freshwater on Earth.
Phytoplankton is sometimes called the grasses of the sea. Like land plants, they produce lots of oxygen through photosynthesis.

You may also enjoy..

Diatoms
https://www.youtube.com/watch?v=1-sQBOQOLCM

Learn the naming Rules for binary Ionic Compounds. An Ionic binary compound is made up of a metal and a non-metal. The metal always is first and the non-metal is second.
For the non-metal drop the ending and add ide.