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Keeping our lungs healthy
EduBook Organización
- 2410 visitas
We need to inhale clean air for our respiratory system to work properly. If there is less oxygen in the air, we have difficulties in breathing. This is why badly ventilated spaces are bad for our lungs.…
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Air pollution and the lungs
Maria Pallarés Docente
- 3 lo usan
- 4756 visitas
In this video, we can learn about different causes of air pollution that can cause breathing problems. Outdoor pollution sources include cars, factories, dry cleaners, and gas pumps. Indoor air…
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Answer. Breathing
EduBook Organización
- 2430 visitas
In which part of the lungs are gases exchanged? How does oxygen reach our cells?
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Inhaling and exhaling
EduBook Organización
- 2523 visitas
Air is renewed in the pulmonary alveoli of the lungs when we inhale and exhale. When we inhale, our lungs expand and when we exhale, our lungs contract. We use a large muscle called the diaphragm and…
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Match. Characteristics of amphibians and reptiles
EduBook Organización
- 2261 visitas
Match each characteristic with the correct group of animals: Eggs without shells. ➝ Eggs with shells. ➝ Hard scales. ➝ Waterproof skin. ➝ Moist skin. ➝ Breathing only with lungs. ➝ Breathing…
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End-of-unit final evaluation T8 06 - Nutrition, breathing and circulation
EduBook Organización
- 1277 visitas
Why is air pollution from cars and factories bad for our lungs? What other pollutants are there?
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Learn to calculate your lung capacity
EduBook Organización
- 3200 visitas
When we take a deep breath in and then breathe out as much air as possible, the volume of air exhaled is called the vital capacity of the lungs. After forced exhalation, the lungs still contain around…
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Check what i Know
EduBook Organización
- 4861 visitas
Answer true or false: All vertebrates are viviparous. → Fish breathe through their lungs. → Amphibians have dry skin. → Snakes and fish have scales. →
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Path of the blood through the heart and body
Tiching explorer Organización
- 1 lo usan
- 6287 visitas
In this resource we learn that in the lungs, the blood gets rid of waste CO2 and picks up oxygen to bring to the cells around the body.
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Blood circulation
e-Learning for Kids Organización
- 4176 visitas
The resource provides an explanation about the parts of the heart and explains how the lungs help to get oxygen into our bodies.