You might have heard that you should use a back-up method of protection if you’re taking birth control pills and antibiotics at the same time. Turns out, you might not have to worry about it.

A type of bone cell.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts...

Microscopic structures in the kidney that filter blood and produce urine.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

Learn about how the kidneys function, regulate the salt levels in our bodies, filter our blood, and ultimately keep us alive. Biology - Human Body - Learning Points. The kidneys are located just below the ribs - one on each side of the...

What is it? ... These are the kidneys!
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Life processes - Living process
e

s - Excretion


A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have...

True or false ... Sloths only go to the toilet once a week?
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Life processes - Body systems - The di
g

estive system />

Learning Points
Sloths


have a very slow digestive system.


...

True or false ... The human body sheds thousands of skin cells every day?
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Life processes - Living process
e

s - Excretion />

Learning Points
Dead cells an
d

sweat are excreted from the...

Did you know that baby koalas have a habit of eating their mothers' dung?
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Life processes - Living process
e

s - Excretion />

Learning Points
All living
t

hings must excrete waste products.
...

Four waste products are shown, but which is the odd one out?
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Life processes - Living process
e

s - Excretion


A Twig Tidbit Film - Odd one out. The children have to work out which of four images is...

Did you know you are one big walking talking chemical reaction?
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Material processes - Changing materials - Chem
i

cal reactions />

Learning Points
Chemical react
i

ons happen inside the human...

How can a bird that eats a plant's seeds actually help the plant survive?
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Life processes - Green plants - Fertilisation


and dispersal />

Learning Points
Dispersal mean
s

the spread of...

Discover the incredible ways in which animals and plants adapt to their environments.
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Life processes - Living things in their environment
s

- Adaptation />

Learning Points
Plants and...

Case study of the adaptations of this unique and fascinating monkey.
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Life processes - Living things in their environment
s

- Adaptation />

Learning Points
Plants and animals adapt to the
i

r...

Urine is a waste product produced by humans and animals. Why is it yellow?
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Life processes - Living process
e

s - Excretion />

Learning Points
Urine is produced by the kidneys an
d

is...

All living things need to excrete, but what do we mean by this?
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Life processes - Living process
e

s - Excretion />

Learning Points
Excretion is the p
r

ocess of removing waste products.
...

Some robots can be very lifelike but what makes something alive?
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Life processes - Living processes -


Living things />

Learning Points
All living


things need nutrition and energy.
...

In this video, we cover:

- The characteristics that all living things have have in co
mmon
- You can remember these using the acronym MRS GREN, where the letters stand for movement, respiration, sensitivity, growth,...

We've been talking about animals in the context of ecology, so let's continue and examine water balance, as well as photoperiods. How do animals regulate water intake? How do they excrete waste? How do they interact with sunlight? Let's...

This series of videos takes students on a fascinating journey, following food as it travels through the digestive system. Clear animations illustrate the functions of the major digestive and excretory structures. Concepts and terminology...

This video provides a basic understanding of the excretory system in humans, focusing on the kidneys, liver, and skin. The importance of these processes for maintaining a healthy body is highlighted, along with the role of perspiration...

It describes various types of waste material in plants and their disposal.

This live-action video program is about the pseudo-ruminant digestive system. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and...

Heme Catabolism (1/2): Eukaryotic Reactions of Heme to Bilirubin

In this video, we explore the active ingredient in hot peppers, capsaicin, and discuss its biosynthesis, mechanisms, & metabolism.