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Population Growth and Survivorship
By: Maria Victoria Gonzaga Previously, we learned about biodiversity and endemism. Now, let's look at the... Read More
Menstruation
Definition noun The periodic physiologic discharge through the vagina of blood, cervical mucus, vaginal secretions, and... Read More
Follicle-stimulating hormone
Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More
Infradian rhythm
What is the Infradian Rhythm? An infradian rhythm is a type of biological rhythm that lasts longer than 24 hours, with a... Read More
Biosecurity and Biocontrol
By: Maria Victoria Gonzaga In the previous lesson, we learned about the importance of modern science... Read More
Birth Control and Contraception
Birth Control Some religious beliefs see methods of contraception unethical while some political bodies chose birth control... Read More
Growth and Development of a Human Baby
Continued from the initial human reproduction of the previous page in this tutorial. Upon arrival in the uterus, the... Read More
Human Reproduction and Fertilization
For the human species to continue surviving, it is essential that mature adults are capable of producing fertile offspring... Read More
Fruits, Flowers, and Seeds
Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More
Uterine cycle
Definition noun The cycle that depicts the changes in the endometrial lining occurring during a menstrual cycle, and is... Read More
Asian Glossy Starling
Definition noun, Species in class Aves that considered as one of the noisiest species of birds those are highly extroverted... Read More
Naturally acquired passive immunity
Definition noun A passive immunity that is acquired by the fetus or newborn through its mother, and typically lasts the... Read More
Natural passive immunity
Definition noun A passive immunity acquired by the fetus or newborn from the mother via the placental transfer of antibodies... Read More
Cell differentiation
Cells are often described as the building blocks of life as they are the smallest unit used to build up organisms. Cells can... Read More
Myocardium
Myocardium Definition What is the myocardium of the heart? It is the muscular middle layer of the heart that is... Read More
Null hypothesis
Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More
Nail matrix
Definition noun The area consisting of mitotically active layer of cells at the base of the fingernail or the toenail and... Read More
Incubation period
Incubation Period Definition The incubation period is the time duration between exposure to the pathogen and the appearance... Read More
Inoculation
Inoculation Definition In Immunology, inoculation is defined as the process of introducing an antigenic substance or... Read More