Leçons — 4ème Année

A bright, detailed cross-section of the human torso showing kidneys, ureters, bladder, and urethra. Atlas holds a water bottle and points to the kidneys filtering blood. Arrows show the path of urine from kidneys to bladder.

A colorful kitchen scene with fruits, vegetables, grains, and a growing child measuring height with a friendly character 'Atlas' pointing to a food pyramid chart.

Inside a bright animated leg bone showing a close-up of the growth plate glowing at the ends, with a friendly cartoon bone character explaining the process.

A colorful double helix DNA strand spiraling with glowing letters (A, T, C, G) around it. Atlas stands next to a family tree showing parents and children with shared traits like eye color and hair type.

An animated anatomy lab with colorful 3D bone shapes floating around. Atlas is pointing to four labeled bone types: long, short, flat, and irregular, each with example bones like femur, wrist bones, skull, and vertebrae.

A bright, labeled diagram showing the mouth, esophagus, stomach, small intestine, large intestine, liver, pancreas, and rectum with cartoonish characters representing each part.

A bright gym with posters of the human muscular system on the walls and Atlas wearing a sporty outfit, holding a diagram showing a biceps muscle contracting in blue and a triceps relaxing in gray, with an animated overlay of voluntary muscles in the arms and involuntary muscle icons for the heart and stomach.

A colorful illustration showing a child standing with a transparent view of their chest, highlighting the lungs, trachea, and diaphragm, surrounded by floating air particles moving in and out.

A bright kitchen with colorful fruits, vegetables, and a plate of food, showing a child eating. Nearby, a glowing animation of energy flowing from the food into the body, with a guiding character 'Atlas' pointing to the heart and muscles.

A sunny playground with kids running, jumping rope, riding bikes, and Atlas cheering them on, showing heart and muscle animations glowing with activity.

A colorful scene showing animated white blood cells chasing and attacking germs like bacteria and viruses inside the body, with labels and fun facial expressions on cells.

A child touching a hot stove with a surprised expression, bright nerves lighting up from the finger to the brain, showing the pain signal pathway.

A colorful classroom featuring a large detailed skeleton model on a stand with glowing highlighted joints at the knee, shoulder, and neck. Atlas stands beside the model holding a knee joint model in one hand, with labeled diagrams of hinge, ball-and-socket, and pivot joints pinned to the board behind and an interactive skeleton on a screen nearby.

An image-rich scene showing a child with a scraped knee, zooming in on the skin where blood cells, platelets, and scabs form. Illustrated steps show clotting, scab formation, and new skin growth.

A vibrant illustration showing a cross-section of human skin with labeled layers (epidermis, dermis, hypodermis), surrounded by images of sun, water droplets, and germs bouncing off the skin surface.

A snowy forest with a child wearing warm clothes and steam coming from their breath, showing muscles shivering and blood vessels narrowing under the skin.

A cozy bedroom at night with a child sleeping peacefully, a glowing moon outside the window, and a friendly animated brain character showing different sleep stages on a chart.

A colorful classroom filled with posters of the human body showing organs, muscles, and skeleton. Atlas, a friendly animated character with a globe for a head and a lab coat, stands next to a large human body model pointing to different parts.

Inside view of a child’s head showing a colorful brain connected by bright nerves to different parts of the body: eyes, hands, heart, and muscles.

A lively scene showing kids eating fruits and vegetables, washing hands, playing outside, and sleeping well with a clock showing bedtime.

An illustrated cross-section showing lungs connected to blood vessels carrying red blood cells filled with oxygen traveling through the bloodstream to body cells.

A cross-section of the human body showing layers: cells forming muscle tissue, muscle tissue forming part of the heart (an organ), with Atlas explaining and pointing to each layer. Bright labels and arrows connect cells, tissues, and organs.

A timeline scene showing a child growing from a toddler to a pre-teen, with illustrations of height increasing, changes in hair, teeth, and posture. Atlas stands next to the timeline holding a magnifying glass to highlight each stage.

A friendly, age-appropriate diagram showing simplified male and female reproductive systems side by side. Atlas stands between them, holding a book titled 'How Babies Are Made' with a gentle smile. The scene uses bright colors and clear labels.

A bright outdoor park scene with children drinking water, a glass of water with labeled parts of the body like brain, skin, and stomach showing water’s benefits, with Atlas holding a water bottle.

A colorful picnic table laid out with fruits, vegetables, grains, proteins, dairy, and sweets with Atlas showing a balanced plate divided into food groups.

A vibrant image of a child with a glowing brain inside the head and colorful nerves extending from the spinal cord to different parts of the body, showing signals traveling.

A colorful animated microscope view showing different types of cells: a plant cell with a green chloroplast, an animal cell with a nucleus, and a friendly character Atlas pointing to the parts of the cell with labels.

Atlas the friendly guide stands in a bright science room pointing to a large musculoskeletal diagram on the wall, where colorful muscles are shown layered over bones, tracing arrows that show a muscle squeezing shorter to pull the forearm upward.

Medi stands in a bright gymnasium, catching a bouncing ball mid-air and grinning, while glowing lines trace from her fingertips up her arm toward her brain to show signals traveling.

Medi stands beside a giant glowing model of the lungs inside a colorful science lab, blowing gently into a clear tube to watch tiny oxygen and carbon dioxide bubbles travel back and forth through branching airways.

A vibrant scene inside the chest showing the heart pumping blood, with red and blue vessels representing arteries and veins, and red blood cells traveling through them.

A workshop with a skeleton model where Atlas demonstrates how the biceps muscle pulls on the forearm bone through a gleaming white tendon, causing the arm to bend smoothly at the elbow joint.

A bright anatomy lab where Atlas points to a glowing digital body figure with biceps, quadriceps, abdominals, and calf muscles each lit up in a different vivid color against a dark background.

Atlas the friendly explorer stands beside a giant glowing model of the human body, magnifying glass in hand, zooming out from a single tiny cell all the way to tissues, organs, and whole organ systems.

Medi stands inside a giant glowing red tunnel shaped like a blood vessel, holding a tray of tiny oxygen bubbles and nutrient packets, pointing excitedly as a cartoon red blood cell zooms past carrying its delivery toward a waiting muscle cell at the tunnel's far end.

Atlas the friendly guide stands beside a giant glowing model of a beating red heart, pointing at tiny rivers of blood flowing through clear tubes — one path curving up to glowing pink lungs, and another looping out to lit-up body cells in toes and fingertips.

Medi stands inside a colorful kitchen-lab, holding a sandwich and pointing to a giant illustrated map of the human digestive system unrolled on the wall like a road map, tracing the long winding path food takes from mouth to stomach to intestines.

Atlas the friendly guide stands beside a giant glowing see-through body map, pointing along a winding tube from mouth to belly while a cheerful apple travels through it.

A bright, animated heart pumping blood through red and blue vessels around a smiling child, with arrows showing blood flow and a cartoon blood cell waving.

A child’s hand quickly pulling away from a sharp cactus, with a simple nerve pathway highlighted from the hand to the spinal cord and back to the muscles.

A colorful bathroom scene with a sink, soap bubbles, a smiling cartoon germ being washed away, and children happily washing their hands and brushing teeth.

A colorful classroom with a giant model of the human body showing glands like the pituitary, thyroid, and adrenal glands. The guiding character, Atlas, points to the glands while holding a chart labeled 'Hormones and Growth'. Bright icons representing hormones float around the glands.

A bright scene showing a child smelling a flower, tasting an ice cream, touching a soft teddy bear, looking at a rainbow, and listening to birds, with icons representing each sense.

Medi stands in a bright doctor's office holding a stethoscope to listen to a child's heartbeat, with two fingers also poised near the child's wrist, while a thermometer and a ticking clock sit ready on the exam table beside them.

Medi stands inside a giant, glowing model of a human body, pointing excitedly at a beating heart connected to a web of colorful blood vessels stretching in every direction, with a magnifying glass in hand.

Medi stands in a sunny kitchen next to a stovetop, dramatically pulling a cartoon hand away from a hot pan while sparks zip up a glowing spinal cord illustration on the wall behind her.

Atlas the friendly explorer points to labeled arrows on a giant see-through lung model, showing glowing blue oxygen flowing in one side and gray carbon dioxide drifting out the other, while speaking directly to the learner.

Medi stands outdoors near a garden hose, holding a magnifying glass up to their forearm and grinning with delight while tiny illustrated germ characters bounce harmlessly off the surface of the skin below.

Atlas the friendly guide stands beside a giant see-through body model, pointing at lungs, heart, and digestive tract connected by moving paths of air, blood, and food energy.