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Micturition (peeing) starts with urine flowing from the kidneys to the bladder via ureters. The bladder expands using transitional epithelium. Urine exits through the urethra, controlled by internal and external urethral sphincters. Ureters prevent backflow, thereby reducing infection risk

Secondary Active Transport in the Nephron.

Details on the light-dependent reactions of photosynthesis

Overview of photosythesis

C-4 Photosynthesis: How some plants avoid photorespiration

In this video you will learn how to use the Pythagoras theorem.

Introduction to evolution, variation in a population and natural selection

Utangulizi wa utaratibu wa uendeshaji

Khan Academy video on order of operations with audio translated into Kiswahili

• Describe a vector in your own words
• Explain a method to add vectors
• Compare and contrast the component styles
• Decompose a vector into components
• Describe what happens to a vector when it is multiplied by a scalar
• Arrange vectors graphically to represent vector addition or subtraction

Using a Venn Diagram, students identify similarities and differences between two things by listing certain features in a chart containing overlapping circles. Venn Diagrams can be used to summarize, compare, or comprehend information.