In this video, I describe the similarities and differences between prokaryotic and eukaryotic cells in clear and simple terms. My goal is to help you understand the difference between the different types of cells.
All living things are made of cells but they may be different.
First, cells can be prokaryotic or eukaryotic cells.
Prokaryotic cells can be classified as bacteria or archaea.
Eukaryotic cells can be classified as plant or animal cells.

Learn to calculate average velocity. Velocity is a vector because it measures magnitude and direction.
The formula for average velocity equals
velocity = displacement divided by change in time
In this video, I solve two basic average velocity problems.

Learn how to convert a mixed number, which is also called a mixed fraction, to an improper fraction. A mixed number has a whole number plus a fraction.
The denominator of the improper fraction is the same denominator of the mixed fraction.
You have a whole number part and a fractional part.
The denominator of the fraction tells you how many parts each whole number is worth.
The mixed number 2 and ⅔ each whole number is worth 3
Therefore, with 2 and ⅔ you have 3 times 2 which equal 6 parts plus you have 2 in the numerator so it becomes 6 plus 2 which equals 8 and you always keep the same denominator of the fraction so the improper fraction equals 8/3

Video Guide
00:00 Introduction What is a mixed number
00:18 Convert 2 2/3 to ImproperFraction
00:51 Convert 3 3/4 to Improper Fraction
01:25 Convert 5 3/4 to ImproperFraction
02:41 Convert 6 1/2 to Improper Fraction

**** Sorry I made a mistake at 00:49 I incorrectly label and describe the thigh adductors as hip abductors. The thigh adductors pull the legs together when they contract.*******

I cover many of the major muscles of the human body.
The Pectoralis major: is a thick, fan-shaped muscle, situated at the chest of the human body.
The Bicep is a large muscle that lies on the front of the upper arm between the shoulder and the elbow. Its main function is to flexes and twists the forearm.

The abdominal muscles support the trunk, allow movement and hold organs in place

The sartorius muscle is the longest muscle in the human body. It is a long, thin, superficial muscle that runs down the length of the thigh This muscle helps you cross your legs

The abductor muscle group is located on the lateral side of the thigh and moves the thigh away from the body’s midline.

The trapezius muscle resembles a trapezoid or diamond-shaped quadrilateral
It helps support the weight of the arm and move the shoulder

The Deltoid forms the rounded contour of the human shoulder. It is a prime mover of arm

The latissimus dorsi is the largest muscle in the upper body.It is responsible for extension, adduction, internal rotation of the shoulder. This muscle helps you do pull ups at the gym.

The serratus anterior is a muscle that originates on the surface of the 1st to 8th ribs at the side of the chest. It acts to pull the scapula forward around the thorax.

External oblique The external oblique functions to pull the chest downwards and compress the abdominal cavity, It also performs (same side) side-bending and (opposite side) rotation

The brachioradialis is a muscle of the forearm that flexes the forearm at the elbow. For example, using a hammer.

Finger extensions include 9 extensor muscles found in the posterior side of the forearm and extend the hand and fingers.

Finger flexors help you close your hand

Quadriceps is a large muscle group that includes the four prevailing muscles on the front of the thigh. These muscles are the great extensor muscle of the knee

Hamstrings a hamstring is one of the three posterior thigh muscles in between the hip and the knee The hamstrings cross and act upon two joints – the hip and the knee

The gastrocnemius forms half of the calf muscle. Its function is flexing the foot at the ankle joint and flexes the leg at the knee joint.

Tibialis anterior It is responsible for flexing the foot backward and inverting the foot.

The soleus is a powerful muscle in the back part of the lower leg aka (the calf). It runs from just below the knee to the heel, and is involved in standing and walking.

The infraspinatus muscle is a thick triangular muscle It is one of the four muscles of the rotator cuff, it’s main function is to rotate the humerus and stabilize the shoulder joint.

The teres major helps rotate the humerus and assists the latissimus dorsi in drawing the previously raised humerus downwards and backward.

Triceps is a large muscle on the back of the upper arm It is responsible for straightening the arm.

The gluteus medius is a muscle that helps with hip movement

When you walk and run it aids in stabilizing your pelvis, in particular when you perform activities where you balance on a single leg.

Gluteus maximus is the main extensor muscle of the hip You use the gluteus maximus when you stand up from a chair, sprint, run, and go up steps.

Correction:
0:49 Sorry I made a mistake. The muscles in dark blue, labeled as “abductors”, are in fact the “Adductor” group. They are the muscles that draw your legs toward the midline and assist with medial rotation also known as crossing your legs.

The deciduous forest biome is known for having four seasons and trees that drop their leaves in the winter.
This biome is located in the eastern half of the United States, Canada, Europe, parts of Russia, China, and Japan.
The deciduous forest has moderate winters and warm summers. It receives around 50 inches of rain a year. This rainfall allows trees like oak, maple, and beech trees to grow in this forest.
You will find bear,fox, and deer in this biome

X linked chromosomes explained,Humans have 23 pairs of chromosomes. One pair determine the gender of the child.A female will have xx chromosomes and males will have an x and a y chromosome
The x and y chromosomes not only carry the genes that determine male and female traits but also some other characteristics as well.
Since only men inherit Y chromosomes, they are the only ones to inherit Y-linked traits. The y chromosome carries around 200 genes.
There are about 1,100 human X-linked genes.
Most of them code for something other than female anatomical traits. Some X-linked genes are responsible for abnormal conditions such as hemophilia, red-green color blindness,
and "male pattern baldness".

Learn the difference between an observation and an inference. An observations uses our 5 senses to make observations. These observations can be qualitative or quantitative.
An inference is an explanation of the observation based on prior experience.

A surface wave is a wave in which particles of the medium undergo circular motion. Surface waves are neither longitudinal pause nor transverse. Pause Kinda like a liger
In longitudinal waves, the particles move parallel to the disturbance, and transverse waves the particles perpendicular relative to the direction of the disturbance. In a surface wave, it is only the particles at the surface of the medium that undergo the circular motion. The motion is both at right angles and parallels when the particles travel in a circle.

The circular motion of particles tends to decrease as you move further from the surface.

Large bodies of water like the ocean contain surface waves.

During an earthquake, Rayleigh waves are produced and are a type of surface wave that travels near the surface of solids. The circular motion of the medium near the surface produce both longitudinal and transverse motions
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