The Organs at Work.     The body  of man in the generic is mainly composed of trillion cells which are considered as the fundamental unit of life.The group of similar cells with similar functions forms a tissue. These tissues combine together to form organs and form an organ system, ….  Read More

              The Digestive System of Men (In The                             Generic).         Digestive system of Humans The digestive tract of humans starts with the mouth and ends with the anus. It includes different structures such ….  Read More

  The Respiratory System     Topics to be Studied here -Body surface: cutaneous, gills and lungs. -Characteristics of The Respiratory System         Respiratory System What Is the Respiratory System? The respiratory system is the organs and other parts of your body involved in breathing, when you exchange oxygen and carbon dioxide. ….  Read More

    Introduction Air enters the respiratory systems of insects through a series of exterior apertures known as spiracles. These spiracles, which in certain insects serve as muscle valves, lead to the internal breathing system, which is made up of a densely networked array of tubes known as tracheae. Consider the insect respiratory system as ….  Read More

  Respiratory System: Body surface: cutaneous, gills and lungs.                       What is a respiratory System or structure? The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs ….  Read More

  Mechanisms of gaseous exchange in Amphibians, Mammals Fish,etc. – In Retrospect the Toad.       Amphibians The living amphibians (frogs, toads, salamanders, and caecilians) depend on aquatic respiration to a degree that varies with species, stage of development, temperature, and season. With the exception of a few frog species that lay eggs on land, all ….  Read More

      Man’s Excretory System   Did you know that in man, the skin is also an excretory organ? That’s right, sweat is actually the waste of our body. Let us study all about man’s excretory system. Parts of man’s Excretory System Every living organism generates waste in its body and has a mechanism to ….  Read More

⊆ Area of Concentration   1. Plant kingdom 2. Organs at work

      Excretion in a Single Celled -Unicellular Aquatic Organism.     Organisms consume food for survival, growth and repair. Most of the food is digested and utilised by the body for the production of energy; the rest is expelled from the body by the digestive system in the form of faeces. This process ….  Read More

  Excretion System -Diffusion by body surface and by contractile vacuole. Diffusion Definition “Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.” Read on to explore what is diffusion and the different types of diffusion. What is Diffusion? Diffusion is the process ….  Read More

  Waste  Products of Metabolism   Waste products may be categorized as metabolic or nonmetabolic. The difference lies in whether the substances in question are produced by the chemical processes of a living cell or are merely passed through the digestive tract of an organism without actually entering into its life processes.     Nonmetabolic wastes The nonmetabolic wastes are mainly ….  Read More

                      Diseases of the Kidney Kidney Disease: Causes, Symptoms, and Treatment.   What Is Kidney Disease? Kidney disease can affect your body’s ability to clean your blood, filter extra water out of your blood, and help control your blood pressure. It can also affect red blood cell production ….  Read More

    The Excretory System of a Man in The Generic You have already learned about excretion. But did you know that in man, the skin is also an excretory organ? That’s right, sweat is actually the waste of our body. Let us study all about the excretory system of man. Parts of the  Excretory ….  Read More

  Regulation of Internal Environment -Homeostasis.    Homeostasis Definition “Homeostasis is the state of steady internal chemical and physical conditions maintained by living systems.”   Homeostasis Meaning and Etymology The theory of homeostasis was first introduced by Claude Bernard, a French Physiologist in the year 1865, and the term was first used in 1926 by Walter ….  Read More

    Structure and Function of The Kidney       The kidneys are bilateral organs placed retroperitoneally in the upper left and right abdominal quadrants and are part of the urinary system. Their shape resembles a bean, where we can describe the superior and inferior poles, as well as the major convexity pointed laterally, and ….  Read More

    The Liver as an Internal Body Organ (Homeostasis) What does the liver do? Homeostasis refers to the ability of an organism to maintain the internal environment of the body within limits that allow it to survive. The liver is the largest solid organ in the body. It carries out over 500 tasks and plays ….  Read More

          Osmoregulation, excretion and maintenance of acid-base balance     What is osmoregulation? Doctors typically recommend drinking eight to ten glasses of water a day. This amount is necessary for the proper balance of electrolytes in the human body. The intake is balanced by more or less equal excretion of fluids ….  Read More

                    Kidney Structure and Functions       Anatomy of the Kidneys The kidneys are bilateral organs located retroperitoneally in the upper left and right abdominal quadrants. Their shape resembles a bean, with superior and inferior poles, a major convexity pointing laterally, and a minor concavity ….  Read More

                            Kidney Structure and Function:  Excretory Products     Let’s explore the relationship between excretory products (such as urea, water, salts, and uric acid) and the structure and function of the kidneys: Kidney Structure and Function in Excretion Kidney Anatomy: The kidneys ….  Read More

‍ Liver and Its Functions Greetings In  HA’YHWH 🛐 HA’ELOYIHM🛐 SON🛐  YHWH🛐  YESHUA🛐 HAMASCHIAC 🛐 . This Morning, W’ll delve into the fascinating world of the **liver** and explore its essential functions in The Body. The Liver: An Overview The liver is a **vital organ** found in  Man and other vertebrates. It plays a central ….  Read More

                 Functions of the Liver.       The Liver and Its Functions The liver is the largest solid organ in the body. It removes toxins from the body’s blood supply, maintains healthy blood sugar levels, regulates blood clotting, and performs hundreds of other vital functions. It is ….  Read More

    The Skin: Structure and Function      Skin structure The skin is the largest organ of the body. It has three main layers, the epidermis, the dermis and the subcutaneous layer.   The epidermis is an elastic layer on the outside that is continually being regenerated. It includes the following: Keratinocytes – the main cells ….  Read More

HA’YHWH 🛐 YESHUA 🛐 HAMASCHIAC 🛐 SCHOOL, SS2 YHWH 🛐 YESHUA 🛐 HAMASCHIAC 🛐Third- Summer Term Biology.  Lesson 3. Reproduction System in Vertebrates 🛐 We 🛐 PRAISE 🛐 THE GREAT 🛐   🛐 NAME🛐  OF HA’YHWH 🛐 HA’ADONAI 🛐,  As we WORSHIP 🛐 AND ADORE 🛐 HIM🛐. May HE🛐  Grant us all understanding of today’s lesson In ….  Read More

    Differences between male and female reproductive organs       Overview Reproduction can be defined as the biological process of producing a new individual or an offspring identical to the parents. This process ensures the increase in the number of individuals of a species when conditions are favourable. It is one of the fundamental ….  Read More

    Prayer TO HA’HASHEM🛐 ON  This SCHOOL Lessons 👇 May HA’YHWH🛐 HA’HASHEM🛐BE PRAISED🛐  IN Our WORSHIP 🛐.AndMay HE🛐 In HIS🛐 Infinite Mercy🛐 Remember Us, and Grant us ; both The Teacher and Students Ability  to understand this subjects, as HE🛐 Teaches Us all through Our teacher, In HASHEM 🛐 HA’ADONAI 🛐 SON 🛐 HA’YHWH ….  Read More

      HA’YHWH 🛐 YESHUA 🛐 HAMASCHIAC 🛐 SCHOOL, SS2 YHWH 🛐 YESHUA 🛐 HAMASCHIAC 🛐Third- Summer Term Biology. Lesson 6. Metamorphosis : life Histories of Butterfly  and  Cockroah.   Butterfly Life Cycle The butterfly and moth develop through a process called metamorphosis. This is a Greek word that means transformation or change in shape. Insects have two common types of metamorphosis. Grasshoppers, crickets, dragonflies, and cockroaches ….  Read More