science 9 ||

science 9

Human respiration

human respiratory system (0 ⭐)

The human respiratory system (its parts) Part 2 (0 ⭐)

Excretion in humans

Longitudinal section of the kidney and its granular structure - mechanism of kidney function and sweat glands (0 ⭐)

Metabolism - Excretion Methods - Divisions of the Human Urinary System (0 ⭐)

Health, Functions, Nutrition

Health of the body's systems, functions, nutrition, and diseases (0 ⭐)

Digestion in humans: The digestive tract and its divisions (0 ⭐)

Digestive and Absorption Glands part 1 (0 ⭐)

Digestive and Absorption Glands, Part Two (0 ⭐)

Heredity

Chromosomes: The Book of Life (0 ⭐)

Organism characteristics and heredity (0 ⭐)

Cell division, mitosis, meiosis, and human chromosomes (0 ⭐)

Human reproductive system

male reproductive system (0 ⭐)

female reproductive system (0 ⭐)

New life growth (0 ⭐)

Growing a New Life, Part Two (0 ⭐)

Solutions to the questions in Unit 3 (0 ⭐)

Plants and the environment

Reproduction in seed-bearing (flowering) gymnosperms - pine (0 ⭐)

Seed plants are seed coats. (0 ⭐)

Forms of pollution and related diseases (0 ⭐)

intensive

Intensive Part 1 (5 ⭐)

Intensive Part Two (0 ⭐)