Theories of Evolution: From Creationism to Punctuated Equilibrium
Species
A species is a group of individuals that can reproduce with each other and produce fertile offspring. There are two main explanations for the origin of species: direct creation and biological evolution.
Creationism
Creationism posits that each species was created by a specific creative act.
Fijismo
Fijismo argued that species remain unchanged over time.
Cuvier and Catastrophism
Georges Cuvier, a supporter of the immutability of species, proposed the theory of catastrophism. Catastrophism suggests
Read MoreImmunity, Vaccines, and Infectious Diseases
1. The term immunity is derived from the Latin open pal immune, it means to be free of charge, or be invulnerable to a particular infectious disease.
Immunity can be of two types: congenital or acquired.
Congenital or natural immunity, is one that is inherited, which develops the body itself at the individual level, racial or specific and is determined by the specific characteristics of the individual’s constitution, race or species.
Acquired immunity is acquired during life and can be further:
The Challenge of Living Longer and Healthier: A Comprehensive Guide
HEALTH: THE CHALLENGE OF LIVING MORE AND BETTER
You will have a world without hunger, without illness, without cancer or pain. You just need to want it. – György Albert Szent
Outline of Unit
- What is Health?
- Healthy Habits
- Disease: Types of Diseases
- Treatment of Diseases
- Medical Research Patents
- Medicine in Different Countries
WHAT IS HEALTH?
According to the World Health Organization (WHO), health is a state of complete physical, mental, and social well-being, not merely the absence of disease. Health is
Read MorePhonetics and Phonology: An Introduction to Speech Sounds
Phonetics: The Study of Speech Sounds
Phonetics studies the sounds of human speech. It is an empirical science based on the observation of facts. It tells us how sounds are produced and furnishes us with methods for their classification. Phonetics is not considered to be part of linguistics. It is divided into three branches:
- Articulatory Phonetics: Studies the articulation of sounds.
- Acoustic Phonetics: Studies the physical properties of speech sounds during the transmission of sounds from speaker
Understanding Sexually Transmitted Infections (STIs) and Other Diseases
Sexually Transmitted Infections (STIs)
Symptoms
In Males:
- A drip or drainage from the penis
In Males and Females:
- Sore bumps or blisters near sex organs or mouth
- Burning or pain when urinating
- Swelling or redness in the throat
- Fever, chills, aches
- Swelling of lymph nodes near genitals or swelling of the genitals
- Feeling the need to urinate frequently
In Females:
- Vaginal discharge or odor from the vagina
- Pain in the lower pelvis or deep in the vagina
- Bleeding from the vagina other than during your period
Early
Read MoreSexually Transmitted Infections (STIs) and Chronic Lung Diseases: Symptoms, Causes, and Treatments
Sexually Transmitted Infections (STIs) – Infectious diseases transmitted via some form of intimate, usually sexual, contact.
Chlamydia– Bacterially caused STI of the urogenital tract
Conjunctivitis– Serious inflammation of the eye caused by any number of pathogens or irritants; can be caused by STDs such as chlamydia.
Pelvic Inflammatory Disease- (PID) – Term used to describe various infections of the female reproductive tract
Gonorrhea– Second most common STD in the United States; if untreated, may
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