4.3 Excretion in humans

Lesson 4.3
Excretion in humans
13-09-2022
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Slide 1: Slide
BioSecondary EducationAge 13

This lesson contains 28 slides, with interactive quizzes, text slides and 1 video.

Items in this lesson

Lesson 4.3
Excretion in humans
13-09-2022

Slide 1 - Slide

Choose an emoji to tell us how you feel today.
😒🙁😐🙂😃

Slide 2 - Poll

  • I can explain what excretion is.
  • I can describe the structure of  the excretory (renal) system.
  • I can explain the function of the kidneys is to filter the blood and remove urea.
  • I can state that urea is excreted in urine.
GOALS

Slide 3 - Slide

Slide 4 - Slide

Slide 5 - Slide

  • For support (helps plant to stand upright)
  • For transport (helps carry dissolved minerals in water from the roots)
  • For cooling (helps keep the plant cool in very hot places)
  • For photosynthesis (helps in producing glucose and oxygen)
Uses of Water

Slide 6 - Slide

Lesson 4.3
Excretion in humans
13-09-2022

Slide 7 - Slide

What will happen to our body if we do not drink enough water?
Question Goal

Slide 8 - Slide

If I do not drink enough water, then I will __________ because _____________.
My Hypothesis

Slide 9 - Slide

If I do not drink enough water, then I will __________ because _____________.
timer
2:00

Slide 10 - Open question

Slide 11 - Slide

Which of the following means getting rid of waste materials from our body?
A
nutrition
B
reproduction
C
metabolism
D
excretion

Slide 12 - Quiz

  • includes ALL the waste substances that organisms make in their cells, plus any substances that is too much which have been part of the body
Excretion

Slide 13 - Slide

  • carbon dioxide from respiration
  • urea , a waste substance that is made in liver cells
  • excess water that's not needed by the body
Waste substances

Slide 14 - Slide

  • Any proteins in the food that we eat are broken down into smaller molecules inside the digestive system.
  • These smaller molecules go into the blood and to the liver
Where does urea come from?

Slide 15 - Slide

  • EXCESS proteins become UREA in the liver.
Where does urea come from?

Slide 16 - Slide

Urea is a poisonous substance.
A
TRUE
B
FALSE

Slide 17 - Quiz

Slide 18 - Video

Slide 19 - Slide

Lesson 4.3
Excretion in humans
13-09-2022

Slide 20 - Slide

Slide 21 - Slide

Draw the structure of the excretory (renal) system.
TASK

Slide 22 - Slide

timer
8:00

Slide 23 - Slide

I conclude that my hypothesis is _________ because _______.
My Conclusion

Slide 24 - Slide

I conclude that my hypothesis is _________ because _______.
timer
2:00

Slide 25 - Open question

Slide 26 - Slide

I THINK I NEED THE MOST PRACTICE ON:
1 - I can explain what excretion is.
2 - I can describe the structure of the excretory (renal) system.
3 - I can explain the function of the kidneys is to filter the blood and remove urea.
4 - I can state that urea is excreted in urine.
1
2
3
4
I am now confident.

Slide 27 - Poll

HOW WELL DID YOU PARTICIPATE TODAY?
1 - I need to participate more! ⚠️
2 - I have participated and I will do more next time! ☺️
3 - I did an excellent job today! 🏆
03

Slide 28 - Poll