Skip to main content

More for You

How does Messi keep the ball close to himself

Your friend
The science of how Messi keeps the ball close to himself photo credit: ZaleDesigns Messi is a magician with the ball at his feet. He's in my opinion the best player in the sense that he can control the ball so well, runs so fast with the ball & changes the direction at full speed like it's a walk in the park. For starters he started playing very early (at 3) which is crucial if you want to be a good player. In that aspect, he's God gifted as he had dribble skills which is genetic in my opinion. Height He is short which means a low center of gravity so it's difficult to push him off the ball. That's why we see that anyone rarely can topple him down, instead players much larger than him lose possession to him. So his short height suits his style of play & is a blessing in disguise. Change of pace Messi changes his pace really well. He starts slow and runs directly at the defender which means the defender has to stop & focus on him. When he reac...
1 comment

what is excretion?

Image
Your friend

Biology - Excretion

Introduction

  • The biological process that involves in the removal of the harmful metabolic wastes from the human body is known as excretion.

  • Different species (organisms) use different processes for the excretion. E.g. many unicellular organisms remove their wastes by simple diffusion process from the body surface into the surrounding water.

Excretion in Human Beings

  • The body parts that the excretory system (of human beings) includes are −

    • A pair of kidneys

    • A pair of ureters

    • A urinary bladder

    • A urethra

  • Kidneys are located in the abdomen (see the image given below), one on either side of the backbone.

Excretory System

  • Urine that produced in the kidneys passes through the ureters into the urinary bladder where it gets stored until released through the urethra.

  • On the other hand, plants have completely different process for excretion than those of animals.

  • Oxygen (released in the day-time) itself can be considered as a waste product generated during photosynthesis.

  • Many plant waste products are stored in leaves that fall off.

  • Some other waste products, in plants, are stored as resins and gums, especially in old xylem.

Labels:

Comments

Post a Comment

RECENTS

explain the element copper

Your friend
Chemistry - Copper Introduction Copper is a soft, ductile, and malleable metal. Copper has very high thermal and electrical conductivity. The symbol of copper is  ‘Cu’  and atomic number is  ’29.’ Copper is known to people since (about) c. 8000 BC. Copper is the first metal, which was smelted from its ore around c. 5000 BC. Salient Features of Copper Copper was the first metal that cast into a shape (in a mold). Copper was the first metal that successful alloyed with another metal, e.g. copper alloyed with tin and resultantly bronze is prepared. It is done about c. 3500 BC. First metal to be purposefully alloyed with another metal, tin, to create bronze, c. 3500 BC. Copper has a natural reddish-orange color; it is visible once the its surface is exposed. Copper is a very good conductor of electricity and heat. Copper is an element of group 11 of the periodic table. Copper normally does not react with water; however, it does react slowly with atmospheric oxygen and form a ...
Post a Comment
continue reading »

explain the element platinum

Your friend
Chemistry - Platinum Introduction Platinum is a malleable, ductile, dense, and highly unreactive chemical element. The symbol of platinum is  ‘Pt’  and its atomic number is  ‘78.’ The name of platinum is derived from a Spanish term i.e. ‘platina,’ which means " little silver ." Platinum is the most precious and the rarest metal (element) on the earth. Salient Features of Platinum Following are the important features of the platinum − Platinum is a silver white metal. Platinum is an element of group 10 of the periodic table. Platinum is one of the rarest elements in the crust of the earth. Platinum is one of the least reactive elements. Platinum has six natural isotopes. Platinum is one of the most highly valuable and precious metals. Platinum is characteristically resists corrosion in all conditions. Because of this reason, it is considered as noble metal. Platinum is normally insoluble in nitric and hydrochloric acid, but dissolves in hot  aqua regia . After dissolv...
Post a Comment
continue reading »

How can I study for my chemistry Exam

Your friend
  how to study chemistry by science question and answers Chemistry is one of those subjects that you either enjoy or despise. Chemistry is usually not a required course in high school, but rather an elective. Most reputable universities, on the other hand, require all undergraduate students to take at least one chemistry course in order to graduate. If you want to work in medical, engineering, or a branch of natural science, you'll almost certainly have to take at least one chemistry course before graduating. For most people, chemistry is a difficult topic, but it doesn't have to be. Here are some tips I have for you to make you study and pass any chemistry exam.          1.     Before going to class, review and study the material . a student studying In a traditional learning approach, students come to class, the lecturer explains the content, elaborates on key concepts, assigns additional readings and assignments, and the session closes. St...
Post a Comment
continue reading »