Focus study

About brain How brain do work? Brain is most important organ of the human body The 3 part of the human brain 1) fore brain ( 2) Mid brain ( 3) Hindbrain The forebrain is the main thinking part of the brain All volunteers action of the body are coordinated by the cerebrum  Mid brain :- the mid brain control reflex movement of the head , neck , trunk to respose to visiual and auditors The Hindbrain also have 3 part of hind brain 1. Pons       2. Cerebellum       3. Medualla Pons take part in regulating respiration. Cerebellum helps in maintaining posture and balance of the body Medualla control various involuntary action such as heart beat , breathing, blood pressure etc.   Thanks watching my post Please comment on which topic you want

Our heart function ❤️

Force and law of motion Important questions Q1. What is force? Ans. A push or pull on a body is called force Example: Aperson push the door              A boy kick the football Q2. What is the effect of the force in object/ body Ans.2 (I) a force can move the  stationary object (II) A force can stop a moving objects (III) A force can change the speed of a moving objects (IV) A force can change the direction of a moving body. (V) A force can change the shape and size of a body Q3. Define the balance force and unbalanced force Ans3. Balance force : If the resultant of all the forces acting on a body is zero, the force is called balance force Unbalanced force: If the resultant of all the forces acting on a body is not zero ,the force are called unbalanced force Q4. Describe the Newton first law of motion Ans.4 According to the first law of motion A body at rest will remain at rest, and a body in motion will continue in motion i...

Important questions second part Q 1.  What is the function of Golgi Apparatus (Golgi body) or Golgi complex Ans 1. The main function of Golgi Apparatus is secretory. Golgi Apparatus acts as a way station for the storage, processing, and packaging of various cellular secretion It packages material synthesized in the cell and dispatched them Golgi Apparatus is also involved in the synthesis of the cell wall, plasma membrane, and lysosomes. Q 2. difference between Rough Endoplasmic Reticulum(RER)and smooth Endoplasmic Reticulum  Ans 2. RER:- It contains flattened sacs called   Cisternae  SER:- It is mainly formed of vesicles and tubules RER:- Ribosomes are attached to the outer surface of its membrane SER:- it doesn't contain ribosomes. RER:- it is specialized to synthesize proteins. SER:- It is specialized to synthesize lipids and steroids Q3. What's function of vacuoles? Ans 3. They provide turbidity and rigidity of      the ...

Fu ndamental unit of life :cell Q.1 Difference between diffusion and osmosis Ans.1  Diffusion:some substance can across the plasma membrane through A process called diffusion Osmosis :it is type of diffusion but in water                        Diffusion                        osmosis 1.diffusion can occur in    |  1.it occur  only              any medium             in liquid medium 2.the diffusion molecule   |    2.it involves May be solid, liquid, gas.   |  Movement of                                                 |solvent molecule                     ...

Our  eye is very important part of body Without eye we can't see this beautiful world The main part of the human eyes are :cornea, Iris, pupil, ciliary muscles, eyes lens ,Retina , and optic nerve Our Eyes have 2 type of sensitive cells 1. Rods cells   2.cones cells Rods are rod shape cell present in the retina of an eyes which are sensitive in dim light. An owl has large number of rod cells Cones are the cone shaped cell present in the retina of eyes which is sensitive to bright light