Topics in BiologyFood web explained with examples Biology Scheme of Work, SS1, First Term Biology Scheme of Work, SS1, 2nd Term Biology Scheme of Work, SS1, 3rd Term Seminal Vesicles and Bulbourethral Glands as Male Accessory Sex Organs Male Reproductive System: Scrotum and its contents Brain: Introduction to the Human Brain Forebrain: Lobes of the Cerebrum and their Functions Cerebellum: Parts and Functions of the Cerebellum Midbrain: Division and Functions of the Midbrain Negative Feedback Mechanism in Homeostasis Arterial Disorders: Characteristics and Causes of Arterial Disorders Types of Desert and their Characteristics Characteristics of Tropical Rainforest Swamp Forest: What are Swamp Forests? Characteristics of Swamp Forests Savanna: Savanna and Grassland explained Savanna - Types of Savanna Tropical Savanna and Temperate Savanna with their Characteristics Introduction to Biomes: What is a Biome?
Academic Questions in Biology
The above diagram shows a _____.
A. Food Chain
B. Food Web
C. Food Flow
D. Food Energy
E. Food Pyramid
F. Food Hierarchy
Anything that elicits a physiological response from an organism is termed _____.
F. Action potential
Which of the following molecule is utilized directly as energy in the human body?
D. Adenosine Mono Phosphate
E. Adenosine Di Phosphate
F. Adenosine Tri Phosphate
Which of the following is not a basic characteristics of life?
The final organisms in a food chain are best referred to as _____.
E. Tertiary consumers
F. Quatenary consumers
Which of the following is a category of long bones?
The end product of photosynthesis is _____.
The above diagram illustrates a _____.
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Biology is a fun subject for everyone. It has numerous amazing facts that comes along with it.
In this article, we will look at some amazing facts concerning life.
Below are some of the amazing facts in biology:
All insects have six legs.
Cockroach is the fastest animal on six legs.
Insects are the only animals without a backbone and can still fly.
Every other animal that flies apart from insect must have a backbone.
You have more bones when you were a baby (300 bones) compared to the number of bones you've got now now (206 bones).
The smallest cell in humans is the male sex cell (called sperm) while the largest cell is the female sex cell (called ovum).
Dolphins and whales live in water, yet they don’t drink water.
Your thigh bone (called the femur) is stronger than a concrete.
The femur carries the weight of your body when you walk.
The human bone marrow produces about 260 billion Red Blood Cells and 135 billion White Blood Cells daily.
Your red blood cell dies every four months.
The hydra is an animal that never grows old. Some scientists believe it can live forever.
The size of your heart is equal to the size of your fist.
The hard white part of your teeth (called the enamel) is not a living tissue.
Razor blades can be dissolved by the acid in your stomach. (This acid is concentrated Hydrochloric Acid or HCl)
Dolphins sleep with one eye open and the other closed.
The male gives birth in the seahorses.
The male honey bee (drones) exists for only one reason. “To impregnate the queen”. It dies immediately after a sexual intercourse with the queen.
The bacteria in your body is far more in number than the entire human beings living in the universe
Starfish is an aquatic animal with no head and no brain.
Children see better, hear better and smell better than adults.
Blocking the nostril to prevent sneezing can result in the eyes poping out of its sockets.
The human diaphragm separates the thorax from the abdomen and is very crucial for breathing.
The human liver performs over 500 different functions.
The nose and ear never stop growing. The eyes remain the same from birth to death.
If the acid in your stomach is poured over the skin, the skin will be severely damaged. If poured on iron, the iron will be dissolved by it.
You can’t sneeze with your eyes open.
Hugging releases the hormone oxytocin which can make people trust you even more.
Men listen with only the left side of their brains while women listen with both sides.
Cleaning your ears regularly is actually dangerous to your health. It’s better to leave the ear wax inside of it.
Your body is composed more of liquid than solid.
The human brain is folded in appearance. The smoother it is, the less intelligent a person becomes.
The hardest substance in your body is not your bone. It’s actually enamel; the white part of your teeth.
An ant can lift an object 50 times its own weight.
80% of the brain is water.
When a child is born, they have no kneecaps. The kneecaps begin to appear at age 2 – 6.
The average human heart pumps on average about 4,000 gallons of blood daily.
The caterpillar (larva of a butterfly) has more muscles than human beings.
In times of danger, your pupil dilates so you can see more clearly.
Think of pupils as the hole in your eyes through which light enters.
Your nose and thumb are of the same length.
During immunization, germs are actually introduced into the baby’s body.
Cold weather improves the brain's retention ability.
A dark skin will wrinkle less when compared to a white skin.
The opening in the mouth terminates with the anus and is about 30 feet long.
Your brain works more when you are asleep.
The left part of the heart is more powerful than the right side.
A baby in the womb reacts to a loud music by kicking the mother.
You cannot be physically balanced without your inner ears.
The saliva you will produce in your lifetime can fill up two swimming pools.
Some of your internal organs including your brain cannot feel pain.
If apes and koalas committed a crime, they can be tracked and caught because they have a unique finger print just like humans.
Babies start dreaming from in the womb.
Blondes have more hair.
Newly born cries without tears between the first 6 weeks.
The thigh bone (femur) is the longest bone in the human body and accounts for one quarter of our height.
Some scientists say the brain can hold up to 1000 terabytes of data.
The human brain which is just 2% of our body mass takes up the most oxygen inside the body (about 20% of oxygen).
The smallest frog has the size of a fly. It’s called the little grass frog.
The main purpose of the eyebrows is to prevent sweat from getting into the eyes (and not necessarily for beautification).
At the age of 18, the human brain stops growing.
The smallest bone in your body is called the stapes. It is found in the middle ear.
The fastest moving part of the human body is the eye.
The total length of human blood vessels would circle the earth two and half times.
About 100 billion platelets are produced daily. Without them, a bleeding will not stop.
A drop of blood contains about 250 million cells.
The middle finger has the fastest growing nail.
The skull is made up of 22 different bones.
The left half of your brain controls the right side of your body while the right half of your brain controls the left side of your body.
A human cell is very small and even microscopic but the DNA present inside of it is 6 feet long.
There is no difference between the male and the female embryo in the womb between the first 6 weeks of life.
A person blinks the eye over 11,500 times in a single day.
Certain jelly fish can trigger a process that turns them back into a younger version of themselves. They can do this as much as they want.
50% percent of the human DNA is the same as the DNA of a banana.
Thanks to marine plants and algae because they provide over about 70% of the oxygen on earth.
Matured red blood cells have no nucleus.
25% of human bones are present on their feet.
Your sense of hearing is reduced whenever you over-eat.
The liquid inside young coconuts can be used as a substitute for blood plasma.
The higher your intelligence quotient, the more dreams you will have.
We cannot smell when we are sleeping.
You actually hear when you are asleep; the brain just chooses to ignore the sounds.
The muscle of your butt is called the gluteus maximus and it appears to be bigger in females.
The space between your eyebrows is called Glabella.
One in every 20 persons has an extra rib and majority happens to be men.
Elephants feel emotions like compassion, joy and anger. They even bury and mourn their dead.
Some plants feed on insect. (We called them carnivorous or insectivorous plants).
An ostrich lays the world’s biggest egg.
Think of it's size to be equivalent to 30 chicken eggs.
The average person passes out gas (flatulence) about 14 times a day.
After the age of 18, some of the brain cells start dying and can never be replenished.
You lose about half litter of water daily through breathing.
The kind of cells that make up the vagina are the same as those that make up the mouth.
You cannot breathe properly without your ribs.
Your toe prints are as unique as your finger prints.
The nose is like an air conditioning system. It warms cold air, cools hot air and also filters impurities from the air.
Like finger and toe prints, we also have tongue prints.
The only bone that is not attached to another bone in the body is the hyoid bone.
This bone is found in the throat and no joint is present around it.
An attempt to eat and swallow at the same time will result to death.
The bacteria inside your mouth alone is more than the world’s population.
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
The largest organ INSIDE your body is the small intestine which is 20 feet long.
Generally, the skin is the largest organ on your body.
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Amazing facts in Biology
Male Seahorses actually give birth to their young ones, NOT the female
All babies are born with blue eyes
Research made at the University of Vienna suggested that yawning may play an essential role in cooling the brains
All voluntary and concious activity of right handed people are controlled from the left part or hemisphere of the brain
A snail can actually sleep for 3 years 😁
An adult human being is composed of about 60% water. In fact, a newly born baby is composed of about 80% of water. This will drop to 65% after a year and finally to about 60% as the child ages
Without saliva, food can never be enjoyed. Food becomes tasteless since saliva is needed to dissolve the chemicals present in food onto the tongue’s taste buds.
Saliva also contains an enzyme called salivary amylase or ptyalin which helps to digest cooked starch to maltose.
Maltose is a double sugar or disaccharide.
NOTABLE POINTS IN Biology
For a thing to be considered Living, it must possess all the Basic Characteristics of Life. These include:
Irritability or Sensitivity
During strenuous exercises like sprinting or 🏃 running, your body may actually work in the shortage of oxygen. During this time, your body owes oxygen (called oxygen debt) and it must be replenished or repayed after the exercise is stopped. This is why you breathe excess of oxygen after you stopped the exercise.
This is the concept of anaerobic respiration
A food Chain is a diagram that shows the relationship between plants and animals within a habitat on the basis of how they rely on each other for food.
Note: Habitat is a place where an organism live. It is of three types:
The term Biology originated from two Greek words. They are:
Biology can therefore be defined is the study of life
Anything that has life is generally considered as a living organism (or organism) 🌱🐐🐓. All living organisms must be able to carry the following activities:
The above listed points are often regarded as the basic characteristics of life. You can memorize them using the acronym (MR. NIGER DAC).
The gas used in the manufacture of food by plants is Carbon dioxide or Carbon(IV)oxide or CO2
Plants manufacture food through a process called photosynthesis.
Note: Plants are the only orgnisms that take away CO2 from the atmosphere