Fun Human body Facts

Fun Human Body Facts

• Nine out of ten cells in our body are not human cells. The bulk of our cells are virus cells,bacteria cells, or other microorganisms.
• The reason we are still alive is because the majority of these cells support our health and help keep us alive. In biology, you would define our symbiotic relationship as mutualistic.
• You share more germs,viruses, or microorganisms shaking hands than kissing.
• Your hands in contact with many more surfaces and have a greater surface area for these microbes to enjoy.
• 97% of your DNA is noncoding.
• That means only 3% of your DNA is actually genes. However, this noncoding DNA is still very helpful for turning on and off the genes.
• Cells in your body are constantly being replaced due to cell death. Most cells do not last your entire lifetime. In fact, skin cells only last two or three weeks. Because cells die,your body must replace them constantly.
• Most of the dust in your house is dead skin. You shed around 35 pounds of skin in your lifetime.
• Your white blood cells only make up 1% of your total blood volume. Your white blood are very important because they fight pathogens, but an equally important job of your skin to carry oxygen throughout your body.
• Most people will produce enough saliva in their life to fill two swimming pools.
• The surface area of your lungs is rough the same surface area of a tennis court.
• Your nerves send a signal throughout your body at over 200 miles an hour.

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Surface Area Rectangular Pyramid-Middle School Math

In this video I created you will learn how to find the surface area of a rectangular pyramid.

The formula for lateral area is 1/2 the perimeter times the slant height.

Keywords|Geometry|Area|pyramid|rectangular prism

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Convex and Concave Quadrilateral-Geometry Help-MooMooMath

Concave and convex quadrilaterals-- Geometry Help-MooMooMath

Most quadrilaterals are convex quadrilaterals because each interior angle is 180 degrees or less. Common examples are kites,squares,and rectangles.

Concave quadrilaterals have one interior angle greater than 180 degrees A common example is a dart.

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Calculate the volume,radius,and diameter of a sphere given the area-Geom...

In this video I created you will learn how to find the radius,volume, and diameter of a sphere,given the area. I call these backwards problems because you normally find the area given the volume or radius.

This video helps with the following Geometry Standard
Common Core Standard G.GMD.3

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Properties of a rhombus, rectangle, and a square

on May 27, 2016(180 days ago)

Properties of a rhombus,rectangle, and a square

A rhombus,rectangle, and square are all polygons.
In addition each of these are quadrilaterals, which mean they have 4 sides.
A rhombus is a quadrilateral with 4 equal sides. A rhombus is most commonly recognized as a diamond, but they are not limited to this shape.
Let's take a look at 14 properties of a rhombus.

A Rhombus is a Quadrilateral, which means it has four sides, and the sides of a rhombus are congruent.

The opposite sides of a rhombus are parallel.

The opposite angles of a Rhombus are congruent.

The diagonals of a rhombus are perpendicular.

The diagonals of a Rhombus create form four congruent interior triangles.

The diagonals of a rhombus bisect each other which means they cut each other in half.
A rectangle has opposite sides that are congruent. in addition a rectangle has 4 right angles, and diagonals that are equal.

A rectangle is part of the quadrilateral family.
A rectangle is a plane shape with 4 sides.
In addition, it has several other properties
A rectangle is a 4 sided polygon, with opposite sides being parallel.
In addition, a rectangle has 4 right angles and the sum of the interior angles add to 360 degrees.
The diagonals of a rectangle are equal length
The diagonals bisect and create two equal triangles.
Opposite sides are equal and parallel
All squares are rectangles, but not all rectangles are squares.

A square is also a quadrilateral with four equal sides plus four right angles. The diagonals of a square bisect one another, plus bisect opposite angles which create two angles of 45 degrees.
A square is a plane shape that is a quadrilateral that is 2D so it has length and width but not height.
A square has 4 congruent sides 4 equal sides.
Along with these 4 sides, a square has 4 right angles
The diagonals are perpendicular and create 4 right angles.
The diagonals bisect each other.
The diagonals of a square also bisect opposite angles
and create equal 45-degree angles.
The diagonals create congruent triangles
Triangle ABC is congruent to ACD
A square can be considered a rhombus with four right angles or a square with 4 equal sides.

Rhombus properties| Quadrilateral Properties| Properties of Parallelograms | Square Rhombus | Rhombus Definition | Rectangle Definition |

14 Properties of a Rhombus

Published on May 20, 2016(187 days ago)

In this video you will learn 14 properties of a rhombus.
What is a Rhombus?
A rhombus is most commonly recognized as a diamond,but they are not limited to this shape.
Let's take a look at 14 properties of a rhombus.

A Rhombus is a Quadrilateral, which means it has four sides, and the sides of a rhombus are congruent.

The opposite sides of a rhombus are parallel.

The opposite angles of a Rhombus are congruent.

The diagonals of a rhombus are perpendicular.

The diagonals of a Rhombus create form four congruent interior triangles.

The diagonals of a rhombus bisect each other which means they cut each other in half.

The formula for finding the perimeter of a Rhombus equals 4 x sides

The formula for area equals ½ d1 * d2
d = length of the diagonals

A rhombus has all the properties of a parallelogram which include,opposite sides are congruent,the opposite angles are congruent, and the diagonals bisect each other.

All squares can be considered a rhombus, but all rhombuses are considered squares

The diagonals of a rhombus bisect each other, but do not have to be the same length
Thanks for watching
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Finding the area of irregular shapes

Step by step directions for finding the area of irregular shapes.
These types of shapes are sometimes called composite figures.
Step 1 is to identify the types of shapes that make up the irregular shape.
Next you can find the area of each of these shapes and add these together.

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