Biology 8 Lesson 66: Review - Summary 1. Summary of theory 1.1. General knowledge chapter 7: Lessons 1.2. General knowledge chapter 8: Da 1.3. General knowledge chapter 9: Nervous system and senses 1.4. Overview of knowledge chapter 10: Endocrine 1.5. General knowledge chapter 11: Reproduction 2. Illustrated … [Read more...] about Biology 8 Lesson 66: Review – Summary
Grade 8 Biology
Biology 8 Lesson 65: The AIDS epidemic – a human catastrophe
Biology 8 Lesson 65: The AIDS epidemic - a human catastrophe 1. Summary of theory 1.1. AIDS/HIV . Overview AIDS is acquired immunodeficiency syndrome. HIV is the human immunodeficiency virus. - Modes of HIV/AIDS transmission: Through unprotected sex. Through the blood. From mother to child. - Harms of HIV/AIDS: Losing the body's ability to … [Read more...] about Biology 8 Lesson 65: The AIDS epidemic – a human catastrophe
Biology 8 Lesson 64: Sexually Transmitted Diseases
Biology 8 Lesson 64: Sexually Transmitted Diseases 1. Summary of theory 1.1. Gonorrhea a. Physics Because a type of coffee bean-shaped bacteria are often arranged in pairs, they are called cocci. - Characteristics of coccidiosis: Localized in the mucosal cells of the genitourinary tract + Easy to die at temperatures above 400C, in a dry place + … [Read more...] about Biology 8 Lesson 64: Sexually Transmitted Diseases
Biology 8 Lesson 63: Scientific basis of contraceptive methods
Biology 8 Lesson 63: Scientific basis of contraceptive methods 1. Summary of theory 1.1. Meaning of contraception Our country is actively implementing the campaign for planned births in the implementation of family planning: + Helping each family with only 1-2 children ensure the best conditions for raising children + Ensure a happy and warm family … [Read more...] about Biology 8 Lesson 63: Scientific basis of contraceptive methods
Biology 8 Lesson 61: Female genitalia
Biology 8 Lesson 61: Female genitalia 1. Summary of theory 1.1. Parts of female genitalia The organ that produces eggs is the ovary. The egg is collected into the fallopian tube through the fallopian tube. Next to the fallopian tube is the uterus located behind the bladder, where the fertilized egg is placed to implant and develop into a fetus. … [Read more...] about Biology 8 Lesson 61: Female genitalia
Biology 8 Lesson 60: Male genitalia
Biology 8 Lesson 60: Male genitalia 1. Summary of theory 1.1. Parts of the male genitalia 1. Testicles - Where sperm are produced 2. Epididymis - Where sperm continue to develop and perfect in structure 3. Scrotum - Ensure the right temperature for spermatogenesis 4. vas deferens - Carry sperm from testicles to seminal vesicles 5. Seminal vesicles … [Read more...] about Biology 8 Lesson 60: Male genitalia
Biology 8 Lesson 59: Regulation and coordination of endocrine glands
Biology 8 Lesson 59: Regulation and coordination of endocrine glands 1. Summary of theory 1.1. Regulation of endocrine glands The pituitary gland secretes hormones that control the activity of the endocrine glands. - The activity of the pituitary gland enhances or inhibits the influence of hormones secreted by the pituitary gland, which is a mechanism … [Read more...] about Biology 8 Lesson 59: Regulation and coordination of endocrine glands
Biology 8 Lesson 58: Gonads
Biology 8 Lesson 58: Gonads 1. Summary of theory 1.1 Overview of the gonads The gonads consist of testes (in men) and ovaries (in women). The testicles and ovaries, in addition to producing sex cells, also secrete sex hormones that are effective in the appearance of male and female sex characteristics as well as promote reproduction. → The activity … [Read more...] about Biology 8 Lesson 58: Gonads
Biology 8 Lesson 57: Pancreas and adrenal glands
Biology 8 Lesson 57: Pancreas and adrenal glands 1. Summary of theory 1.1. Pancreas The pancreas is made up of pancreatic juice cells, alpha cells (secreting glucagon) and beta cells (secreting insulin). ⇒ Insulin and glucagon have the effect of regulating blood sugar to stay stable: insulin lowers blood sugar when blood sugar rises, glucagon raises … [Read more...] about Biology 8 Lesson 57: Pancreas and adrenal glands
Biology 8 Lesson 56: Pituitary and Thyroid
Biology 8 Lesson 56: Pituitary and Thyroid 1. Summary of theory 1.1. Pituitary - Small pea-sized pituitary located at the base of the skull, related to the hypothalamus (in the midbrain) Consists of 3 lobes: Front lobe Posterior lobe Middle lobe: only in young children, has an effect on the distribution of skin pigmentation. + … [Read more...] about Biology 8 Lesson 56: Pituitary and Thyroid