Keywords: Blood groups – A B O – Clotting – Antibodies

Keywords: Light – Plants – Photosynthesis – Growth – Energy

Keywords: Nervous system – Nerves – Brain – Spinal cord – Nerve signals

the goal:Inference: Cells use food or sugar to produce energy. Note the mitochondria in different cells.Materials and tools:Listed equipment - 2% glucose solution - resealable plastic bag - small weights - glass beaker - water bath at 37 degrees CelsiusSteps:1. Put a quantity of glucose solutio......

the goal:Explaining the factors that affect the process of photosynthesis.Materials and tools:Glass beaker - Glass funnel - Test tube - Aquatic plant - Sodium bicarbonate - Light sourceSteps:1- Fill the glass with water.2- Add a quantity of sodium bicarbonate to the water.3- Place the aquatic plant......

Keywords: DNA replication – Chromosomes – Genetic code – Replication enzymes

Keywords: Anaerobic respiration – Alcoholic fermentation – Carbon dioxide – Yeast – Sugar

Keywords: Excretion – Wastes – Kidneys – Sweat – Carbon dioxide – Detoxification

Keywords: Bacteria – Shape – Growth – Nutrition – Classification

Keywords: Chromatography – Separation – Colors – Adsorption – Analysis

Keywords: Gas exchange – Stomata – Oxygen – Carbon dioxide

Keywords: Classification – Living organisms – Kingdoms – Families – Characteristics – Similarity

Keywords: Meiosis – Gametes – Chromosomes – Prophase I – Crossing over

Objective To measure the volume of air a person can exhale in a deep breath (vital capacity) or during normal breathing (tidal volume).Tools 5-liter plastic bottle – large water tray – flexible rubber tube – marking pen – small measuring cup – stopwatchSteps Use a 500 ml measuring cup to fill the bo......

:Objective To identify the external and internal parts of the brain and examine neurons.:Tools Preserved sheep brain in formalin _ Dissection tray _ Dissection tools _ Pins _ Rubber gloves _ Microscope slide _ Light microscope (400× magnification):Steps External dissection: Place the brain convex si......

Objective: To prove that exhaled air contains less oxygen compared to atmospheric air.Materials: Large container with screw cap – water container – rubber tube – candle.Procedure: Fill the large container with water. Place the rubber tube through the cap and invert the container in the water, ensuri......

Objective: To understand how skeletal muscles work during movement and study the relationship between contraction of one muscle and relaxation of its opposing muscle.Materials: Human arm model.Procedure: Bend the arm at the elbow joint and observe the shape of the biceps and triceps. Straighten the......