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R

Go to “R” lessons: K-3rd grade / 4th-5th grade / 6-8th grade / 9-12th grade

  • Rabies

    A viral infection transmitted through the saliva of infected animals, leading to severe neurological symptoms. Prevention involves vaccination for both humans and animals, especially in regions where rabies is prevalent.

  • Raccoon Roundworm

    Raccoon roundworm (Baylisascaris procyonis) is a parasite found in the intestines of raccoons that can cause severe infections in humans. Avoidable with hand washing, humans inadvertently contract it by ingesting the parasite's eggs through contact with contaminated soil or objects.

  • Rectum

    The rectum is the final portion of the large intestine, connecting it to the anus. It contributes to the digestive process by facilitating the temporary storage and controlled release of waste materials from the body.

  • Recycling

    The systematic collection, sorting, and reprocessing of materials such as paper, glass, plastic, and metal to create new products. The practice of recycling aims to minimize environmental impact, promote sustainable waste management, and conserve resources by reducing the demand for raw materials.

  • Red Blood Cells

    Red blood cells are components of the cardiovascular system that are responsible for transporting oxygen from the lungs to the rest of the body, and returning carbon dioxide to the lungs.

  • Refusal Skills

    Communication and assertiveness techniques that individuals can use to resist pressure or influence to engage in risky behaviors. Developing refusal skills helps with making healthy choices and avoiding situations that may compromise health.

  • Relationships

    The connections and interactions between individuals, spanning friendships, familial bonds, romantic partnerships, and more. Effective communication, trust, and mutual respect are essential elements of positive relationships.

  • Religion

    Organized systems of beliefs, practices, and values that often center around questions of ultimate meaning, purpose, and existence. Respectful dialogue and fostering religious pluralism contributes to harmonious and inclusive communities that are respectful of an individual persons’ freedom of worship.

  • Reproduction

    The biological process by which living organisms generate offspring, ensuring the continuation of their species. In humans, this intricate process involves the union of sperm and egg (reproductive cells).

  • Reproductive Health

    The maintenance and promotion of the well-being of the reproductive system, reproductive health includes aspects such as family planning, sexual health, and the prevention and treatment of reproductive disorders.

  • Reproductive System

    A network of organs and structures dedicated to the production of offspring. In humans, this system involves organs such as the ovaries, testes, uterus, prostate, and more.

  • Research

    A systematic and methodical investigation conducted to acquire knowledge, answer specific questions, or contribute to the advancement of various fields. Research involves rigorous inquiry, data collection, and analysis.

  • Respect

    Recognizing and valuing the inherent worth, dignity, and rights of yourself and others.

  • Respirators

    Devices designed to protect individuals from inhaling harmful particles, chemicals, or infectious agents in the air. Proper selection and use of respirators are essential for effective protection.

  • Respiratory System

    A complex network of organs essential for sustaining life, including the lungs, trachea and bronchi, responsible for facilitating breathing and the exchange of oxygen and carbon dioxide.

  • Risky Behavior

    Risky behavior pertains to actions or decisions with the potential to harm oneself or others. Examples include substance abuse and reckless activities.

  • Road Safety

    Road safety encompasses a set of practices and measures aimed at preventing accidents and injuries on roadways. Adhere to traffic rules, use seat belts, and exercise caution contribute to create a safer environment for drivers, pedestrians, and passengers.

  • Rubella Virus

    Rubella (German measles) is a contagious viral infection with symptoms including a rash and fever. Rubella vaccination prevents the spread of the virus and protects individuals, especially pregnant women and unborn children, from infection.

  • Runny Nose

    A common symptom of colds or allergies. A runny nose involves the production of excess nasal mucus and is the body's natural response to irritants or infections, often alleviated through proper hydration and rest.

  • Rural

    Areas often characterized by low population density and vast landscapes. An individual living in rural areas may be required to travel longer distances to reach healthcare facilities and have limited access to healthy food options.

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