Natural science

    The most interesting topic,,,,,,,,,,        FEMALE REPRODUCTIVE SYSTEM Ovary: Produce eggs          Vagina : Provide a passageway for blood and mucosal tissue from the uterus to leave the body during a menstrual periods . Cervix: Is the opening to the uterus. Uterus: Is the muscular organ in which the fetus develop. MALE REPRODUCTIVE SYSTEM Penis: Used for urination and sexual intercourse Bladder: Store urine until it released through urethra Urethra:  Allow the passage of urine and semen Testicle: For making sperm and urine Epididymis: Store sperm

LET'S GO!!!!!!!!WHAT DO YOU KNOW ABOUT EXCRETION? Excretion  is the process by which animals rid themselves of waste product and of the nitrogenous by -product of metabolism. Excretion help to prevent accumulation of harmful substance in the body .It also help to maintain the osmotic level of blood and plasm.                                                     Substance that removed from those organ. Kidney :uric acid ,excess water and ammonia Lungs :carbon dioxide. Skin(Sweat glands) :water and salt So, through excretion organism can control osmotic pressure .The balance between inorganic ions and water.it can also maintain acid -base balance. This process promote homeostasis, the constancy of organism's internal environment. See u next time!!!!!!

  Digestive system This one of the best  definition for digestive system, is the breakdown of food and absorb nutrients for energy and growth .                                                                                               Importance of digestion Digestion is important because  the body needs  nutrients from food and drink to work properly  and it will also hep to stay health. The   digestive system breaks nutrients into parts small enough for the  the body to absorb and this nutrients are  used  for energy, growth, and cell repair.   Functions of each part of  digestion   Small intestine:  Your small intestine makes digestive juice. Esophagus:  After you swallow...

  DON'T USE DRUGS ,SEEK FOR HELP!!!! Excessive use of drug in a way that is detrimental to self ,society or both. Substance abuse is a issue that got serious consequence for individuals and society .You need to understand its  sign ,causes and available treatment is essential for fostering recovery .If you, your friend or family members you know is struggling with substance abuse  you better look for help is a vital step towards a  healthier future.   W ays in which substance abuse can negatively influence their future. Health Consequences ,Mental Health Disorders: Substance abuse is often linked to anxiety, depression, and other mental health conditions, complicating recovery and quality of life. Academic,  Substance use can  decreased concentration during lessons, motivation, and it can lead to high absenteeism at school .  Relationship, Substance abuse can break the relationships that you had  with your family and friends and this can...

PHOTOSYTHESIS Is the process by which plants make their own food by using chlorophyll ,carbon dioxide and water in the presence of sunlight. Requirement for photosynthesis For photosynthesis to take place there should be ,carbon dioxide ,water, sunlight and chlorophyll. Glucose and oxygen are called end product of photosynthesis. Carbohydrate is produced by photosynthesis by oxidizing them to produce energy for respiration.

AIR POLLUTION LEVEL ARE CURENTLY UNHEALTH FOR SENSITIVE GROUP  OR WORSE  !!!!!!!!!!!!! Air pollution is contamination of the indoor or outdoor environment by an chemical ,physical or biological agent. Air pollution  it is a risk for all -cause mortality as well as specific diseases. The specific diseases that can be caused by air pollution are as follow, lung cancer, stroke ,chronic obstructive, pneumonia and cataract. Three source of air pollution THE DIFFRNCE BETWEEN HUMAN -MADE  AND NATURAL AIR POLLUTION. Human-made (Anthropogenic) Air Pollution:  Caused by human activities such as burning of fossil fuels, industrial processes, agriculture etc. Examples include particulate matter (PM), nitrogen oxides (NOx), sulfur oxides (SOx), carbon monoxide (CO), volatile organic compounds (VOCs), and ozone (O3). Tends to be more localized and concentrated in urban/industrial areas. Considered the primary driver of worsening air quality in many parts of the world. Can be ...

  TEENAGER PREGNACE  This refer to when a women under the age of 20 gets pregnant. It usually refer to teens between the ages of 15 to 19. The ministry of education  has recognized  the need for further revision of Namibia's policy on teenager pregnancy ,to place greeter emphasis on positive step to prevent  learners pregnancy's  and to ensure that young parent have completed their education for the benefit of themselves. I am not supporting teenager pregnancy but as teacher or a school principal you don't have the right to expel pregnant girl from school. If you are denying a pregnant girl to access to education you are also limiting her future opportunities and potential. Ways on how to prevent teen pregnancy. Promote sexual education in school. Foe adolescent that are sexual active  they can use effective contraceptives'(such condoms ,birth control and many more. LET'S NOT ABANDONED TEEN PREGNACY BUT LET'S SUPPORT THEM!!  

Note that there is no currently cure  for HIV AND AIDS but treatments and prevention methods have significantly improved the outlook for people living with HIV. The difference between HIV and AIDS HIV (Human Immunodeficiency Virus) is a virus that attacks the body's immune system, specifically the CD4 cells (a type of T cell). While AIDS  stand for (Acquired Immunodeficiency Syndrome) is the most severe phase of HIV infection.  HIV is  transmitted through  HIV can be transmitted through unprotected sexual intercourse (vaginal, anal, or oral) with an infected partner. It can be also transmitted through sharing needles, syringes, or other equipment to inject drugs with someone who has HIV, Last but not least HIV can also be transmitted from mother to child during pregnancy, childbirth, or breastfeeding. This are not the only ways where by HIV can be transmitted ,there are many ways ,so just take care of yourself. HIV symptoms Flu-like symptoms like fever, sore thr...

    Ecosystem,  is a community of living organisms (plants, animals, and microorganisms) interacting with each other and their physical environment.  There are different ecosystem with different  importance, so we have desert ,marine and savannah ecosystem. They do have their own characteristic and they do differ to other ecosystem. There  also human activity that harm the environment such as deforestation, biodiversity, pollution and waste and ecosystem disruptor. Human benefit from the environment also by getting food, raw material such as fire wood and medicine resources ,as we all know that most of the medication are made out of plants.

  What is water cycle?  is the continuous movement of water on, above, and below the surface of the Earth. Three major process   evaporation  condensation   precipitation  transpiration.  The importance of water cycle ? Balancing earth's system Purification of Water Maintaining Ecosystems Supporting agriculture