Displaying 21 - 24 of 24 Resources

Urination

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

Subject and Topic
Form 1
Biology
Introduction to biology
Concept and terminologies of biology
Resource Type
Video
Language
English
Publisher
Khan Academy
Publication Date
2014
Creator/Author
Raja Narayan
Keyword
Urination

Visualize Percents: 2 Videos and 1 Online Activity

Video 1: Finding percentages with a double number line
Video 2: Finding the whole with a tape diagram
Online activity: Find percents visually

Subject and Topic
Form 1
Mathematics
Decimals and percentages
Percentages
Resource Type
Video
Language
English
Publisher
Khan Academy
Publication Date
2022
Creator/Author
Khan Academy
Keyword
Percentage

Links

Worked example: analysing a generic food web

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.

Subject and Topic
Form 2
Biology
Balance of nature
Food chain and food web
Resource Type
Video
Language
English
Publisher
Khan Academy
Publication Date
2022
Creator/Author
Sal Khan
Keyword
Food webs

Worked example: analysing an ocean food web

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.

Subject and Topic
Form 2
Biology
Balance of nature
Food chain and food web
Resource Type
Video
Language
English
Publisher
Khan Academy
Publication Date
2022
Creator/Author
Sal Khan
Keyword
Food webs