This engaging science passage for Grades 4-5 explains how the senses of taste and smell work together in the human body. Students will learn about taste buds, olfactory cells, and how signals travel to the brain to help us experience flavors. The passage defines key vocabulary, offers real-world examples like eating pizza or smelling flowers, and includes a fun 'Interesting Fact.' Activities feature a multiple-choice quiz and writing prompts to support critical thinking and literacy, all aligned with NGSS science standards. Audio integration supports diverse learners and helps reinforce important concepts. Perfect for science centers or classroom reading, this resource builds understanding of how our senses connect us to the world.
Written by Workybooks TeamPublished by Workybooks
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Your tongue has tiny bumps called taste buds.Image by StockSnap / Pixabay.
The senses of taste and smell are closely connected. Both help us enjoy and understand the world around us. When you eat your favorite food, you use more than just your tongue. Your nose also plays a big part in how things taste.
Your tongue has tiny bumps called taste buds. These taste buds can sense different flavors, like sweet, salty, sour, bitter, and umami. When you eat, the taste buds send messages to your brain about the flavor. But taste buds alone cannot tell you everything about your food.
Your sense of smell comes from the olfactory system in your nose. Inside your nose, there are special cells called olfactory cells. When you sniff food or breathe in, these cells pick up tiny particles in the air. They send signals to your brain that help you recognize smells, like fresh bread or a blooming flower.
Taste and smell work together to create flavor. When you eat, air moves from your mouth to your nose. This allows the olfactory cells to sense the smell of the food at the same time as your taste buds sense the taste. That is why food seems tasteless when you have a stuffy nose. Your brain needs signals from both your tongue and your nose to fully enjoy flavors.
For example, when you eat pizza, your taste buds sense the salty cheese and sweet tomato sauce. At the same time, your nose picks up the smell of herbs and baked crust. Together, these signals help your brain create the complete flavor of pizza.
Interesting Fact: When you pinch your nose while eating, you block smells from reaching your olfactory cells, so most foods taste very plain!
What do taste buds do?
Sense flavorsPick up smellsSend air to noseHelp you see
What do olfactory cells detect?
FlavorsSmellsSoundsColors
Which sense works with taste?
SmellTouchSightHearing
Why does food taste plain with a stuffy nose?
No signals from noseNo signals from eyesNo signals from earsNo signals from hands
What happens when you eat pizza?
Both taste and smell workOnly taste buds workOnly olfactory cells workNo senses work