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Life Science articles — Page 6

Read about living things, from cells and plants to animals and the human body. Choose an article below; its reading controls let you move between the available levels.

5,533 public articles · Page 6 of 116

Biomechanics

Scientists study how living things move. They look at bones and muscles. They also look at tiny parts. This helps us understand our bodies. It helps us see how animals run. We can learn how to stay strong. Do you…

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Biomolecule

Tiny bits make up all living things. They help your body work. Some bits give you food. Other bits help you grow. They are in you right now. Do you feel strong today?

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Biopsy

Doctors take a tiny piece of you. They look at it under a tool. This helps them see if you are sick. It helps you get well. It is a smart way to help. Do you want to learn more?

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Birch

A birch is a tree. It has thin leaves. The bark can look like paper. Some trees are white or yellow. We use the wood for many things. Do you like to look at trees?

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Bird-of-paradise

These birds have very pretty feathers. The boys have long, bright feathers. They live in deep, green forests. They like to eat fruit. These birds help the forest grow. Can you see their bright colors?

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Bird of prey

Some birds are great hunters. They have very sharp feet. They also have strong, curved beaks. These tools help them find food. They are amazing to watch! Can you name a bird of prey?

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Bivalvia

Some animals live in shells. These shells have two parts. They join at a hinge. The parts can open and close. They live in water. They can be in salt water or fresh water. Do you like looking at shells?

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Blackberry

Blackberries are sweet fruit. They grow on long stems. These stems can have sharp thorns. You can eat the black fruit. They taste very good. Do you like to eat berries?

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Blackcurrant

Blackcurrants are small, dark berries. They grow on big bushes. You can eat them in jams. They are good for you. Do you like sweet treats? We can use them for juice too!

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Black fly

Black flies are small insects. They are often black or gray. Some flies bite people and animals. This can make you feel itchy. They like to live near moving water. Do you see them outside?

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Black pepper

Black pepper is a plant. It grows on a long vine. People use the fruit for food. It can taste spicy. It helps make food taste good. Do you like pepper on your food?

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Bladder

Your body has a small bag inside. It holds pee for you. This bag can stretch out big. It helps you wait to go. It is very helpful! Do you know where it is?

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Bleeding

Sometimes blood comes out of our skin. It can happen if you fall. It can also happen inside your body. Our bodies work hard to stop it. Do you know how your body heals?

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Blood pressure

Your heart pumps blood. The blood pushes on your tubes. This push is called blood pressure. It helps your blood move. Doctors check it to keep you well. Can you feel your heart beat?

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Blood sugar level

Your body needs food to work. This food travels in your blood. It gives you energy to play. It even helps your brain think. Your body keeps the right amount inside. Do you feel strong today?

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Blood test

A doctor can test your blood. They take a tiny bit of it. This helps them see if you are healthy. It shows how your body works. It is a smart way to stay well. Do you want to learn more?

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Blood transfusion

Doctors can give you blood. This helps your body stay strong. It can replace blood you lose. It helps you feel better. We can all help. Would you like to help others?

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Blood type

Your blood has a special kind. It can be type A or B. It can also be O. You get your type from your parents. This helps doctors keep you safe. Do you know your type?

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Blueberry

Blueberries are small blue fruits. They grow on bushes. Some bushes are tall. Some bushes are short. They taste very sweet. We can eat them! Do you like blueberries?

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Body louse

A tiny bug lives in clothes. It likes to eat. It can make you itchy. It can also make you sick. We can stay safe by wearing clean clothes. Do you like clean clothes?

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Boidae

Boas are big snakes. They live in many places. Some are very heavy. They give birth to live babies. This is special. Do you like snakes?

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Boletus edulis

This is a special mushroom. It has a big brown top. It grows in the woods. People like to eat it in soup. It is very good food. Do you like mushrooms?

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Bombyx mori

A tiny worm makes silk. It eats green leaves. These leaves are food. The silk makes soft clothes. We use it for shirts. Do you like soft silk?

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Bone fracture

A bone break is when a bone cracks. It can happen if you fall. Sometimes the bone breaks through the skin. This can hurt a lot. Doctors help the bone get strong again. Have you ever had a boo-boo?

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Bonobo

Bonobos are amazing apes. They live in deep forests. They like to eat fruit. They are very close to us. We can learn from them. Do you like apes?

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Botfly

A botfly is a small fly. Its babies live inside animals. They can live in skin or bellies. This can make an animal feel itchy. We must be careful around them. Do you see any flies?

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Botulism

Tiny germs can make us sick. These germs live in soil and water. They can get into food. This makes our muscles feel weak. It can make it hard to breathe. We must cook food well to stay safe. Do you wash your hands…

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Bovidae

Many animals are in this group. They have horns on their heads. Some are big like bison. Others are small like goats. They live in many places. We get milk from them too. Do you like milk?

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Box turtle

The box turtle has a hard shell. It can close its shell tight. This helps it stay safe. They eat bugs and plants. They can live for a long time. They are very cool! Do you like turtles?

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Boy

A boy is a young male. He grows as he gets older. He will grow into a man. This is how we all grow. It is a big change! Do you like to grow?

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Brainstem

A part of your brain helps you live. It tells your heart to beat. It helps you breathe air. It also helps you sleep. This part is very small. Can you feel your heart beat?

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Brain tumor

Sometimes, cells in the brain grow too much. This can make a small lump. It can make your head hurt. It may change how you act. Doctors help people feel better. Do you want to learn more?

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Brazil nut

The Brazil nut comes from a big tree. This tree lives in a large forest. It can live for a very long time. The nuts are good food for us. They help us stay strong. Do you like to eat nuts?

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Breadfruit

Breadfruit grows on a big tree. It grows in warm places. The fruit tastes like bread. You can cook it in many ways. It is a good food for us. Do you like bread?

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Breast cancer

Sometimes, people get sick in their breasts. This can feel like a hard lump. It might change how the skin looks. Doctors can help find it early. This helps people get well. Do you want to learn more?

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Breed

Some animals look the same. They act in the same way. They can have babies that look like them too. This helps us know which group they are in. Do you have a pet that looks like its parents?

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Broccoli

Broccoli is a green plant. It has big heads. The heads look like trees. We eat the heads and the stalks. It helps us stay healthy. Do you like to eat it?

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Bromeliaceae

Some plants are called bromeliads. They live in many places. Some grow in the dry sand. Some grow on tall trees. One kind is a pineapple! They are very cool. Can you find one?

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Bronchitis

A chest cold can make you cough. It happens in your lungs. It can make it hard to breathe. You might feel tired. Rest helps you feel better. Drink lots of water too. Have you ever had a cough like this?

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Brown algae

Brown algae live in the sea. They can be very big. Some look like green leaves. They help many fish. They are fun to see! Do you like the ocean?

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Brown rat

The brown rat is a small animal. It has brown or grey fur. It likes to live near people. It can eat almost any food. It is a very busy animal. Do you see rats in your town?

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Bruise

A bruise is a mark on your skin. It happens when tiny tubes inside you break. Blood leaks under your skin. It might look blue or purple. Then it might turn green or yellow. Your body will fix it soon. Have you ever…

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Bryophyte

Some plants like to live in wet spots. They do not have big roots. They can grow on rocks. They can grow on dirt too. These plants are very small. Do you like to look at moss?

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Bubonic plague

A tiny bug can make us sick. It can come from a flea bite. The flea lives on small animals. It can make your body feel bad. Doctors have medicine to help you. Do you want to learn more?

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Buckwheat

Buckwheat is a plant with seeds. It grows pink and white flowers. We can cook the seeds for food. It helps us grow strong. It is a very cool plant. Do you like to eat seeds?

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Budgerigar

The budgie is a small bird. It lives in Australia. These birds eat seeds. They can even talk to you! Many people keep them as pets. Do you like small birds?

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Bulbul

Bulbuls are small songbirds. They live in many warm places. Some eat fruit and some eat bugs. They make many loud sounds. These birds are very neat to see. Do you like to listen to birds?

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Bumblebee

Bumblebees are fuzzy bugs. They have round bodies. They fly to find food. They help flowers grow. This helps us too. Do you like bees?

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