Biology Human Health & Diseases part 3 (Infectious & Non infectious disease) class 12 XII

TL;DR

Diseases are disturbances that cause discomfort in the body, either in its functioning or appearance, and can be divided into infectious and non-infectious diseases.

Transcript

hello friends this video on human health and diseases part three is brought to you by exam feel calm no more fear from exam NSC from where we get this word disease what is the word disease means now disease means disturbed ease that means you are not at ease you are not in a comfortable position so you are feeling disturbed you are feeling uncomfor... Read More

Key Insights

• 💱 Diseases cause discomfort and changes in the body's functioning or structure.
• 🤘 Symptoms indicate a possibility of a disease, while signs confirm its presence.
• 🚱 Diseases can be infectious or non-infectious, with different modes of transmission.
• 🥶 Examples of infectious diseases include chickenpox and common cold, while non-infectious diseases include asthma, diabetes, and cancer.
• 🎁 Non-infectious diseases can be genetic, present from birth, or caused by environmental or accidental factors.
• 🤘 Proper diagnosis and understanding of symptoms and signs are crucial for effective treatment.
• 🖐️ Prevention plays a significant role in reducing the prevalence of diseases.

Questions & Answers

Q: What is the definition of a disease?

A disease is a condition that disrupts the ease and comfort of the body, causing changes in its functioning or structure.

Q: What are some examples of non-infectious diseases?

Non-infectious diseases include genetic conditions, birth defects, accidents and injuries, and health issues caused by environmental factors or poor nutrition.

Q: How are infectious diseases transmitted?

Infectious diseases can be transmitted through touch, sharing utensils or towels, sexual contact, or through mediums like air or water.

Q: Can symptoms and signs of a disease be used interchangeably?

No, symptoms refer to what a person feels as being wrong, while signs are what doctors look for to confirm the presence of a disease.

Summary & Key Takeaways

• Diseases result in a change in the body's functioning or structure, causing discomfort.

• Diseases can be categorized as infectious or non-infectious.

• Infectious diseases can spread from one person to another, while non-infectious diseases do not.