Taste and Smell

Introductory Video

Lesson 10.1 TongueStudents will describe characteristics of the tongueand identify its functions and parts.

The TongueGod designed the tongue to do several things.

•It assists in the formation of sounds, making our speech intelligible to others.•It helps us chew and swallow by holding food and moving in around in the mouth.•It contains tiny structures called taste buds that allow us to taste.

•The tongue is made up of many groups of muscles that a person can control.•The tongue can move in many directions.•The tip of the tongue is the body part most sensitive to touch.•The tongue is connected to the bottom of the mouth by a thin layer of tissue called the frenulum.

What does the Bible say about the tongue?

Human speech is a great gift from God. After theflood, God gave the people on the Earth multiplelanguages.

Genesis 11:1-9

When it comes to the way we speak, we have a choice. We are responsible for our actions. Speechis an action, and actions have consequences.

Proverbs 15: 1,2,4

A gentle answer turns away wrath, but a harsh wordstirs up anger. The tongue of the wise commendsknowledge, but the mouth of the fool gushes folly.The tongue that brings healing is a tree of life, buta deceitful tongue crushes the spirit.

Lesson 10.2 TasteStudents will read about the sense of taste anddistinguish the difference between sweet, sour,salty, and bitter.

Taste BudsThe average person has about 10,000 taste budswhich are replaced about every 2 weeks. As a persongets older, more of these cells die.

Cold foods can make the taste buds less receptive totaste.

The four main tastes are: sweet, salty, sour, and bitter.

Taste buds send messages to the brain tellingyou what you are tasting.

Lesson 10.3 NoseStudents will identify the parts and functions of the nose.

God designed the nose to help us breathe, smell, andenhance our sense of taste.

The top portion is made of bone while the tip is madeof cartilage.

Cartilage

A strong, flexible material that is found in the body.

As air enters the two nostrils that lead to the nasalpassage, it moves to the upper part of the throatand eventually to the lungs.

The nasal passages have a soft, moist mucus membrane and hairs that trap dust, pollen, and otherparticles and prevent them from entering the lungs.

The nose filters irritants from the air and captures them in the nose hairs and mucus. Sometimes the nose needs to get rid of them right away. How do you think this happens?

You sneeze!!!

Our noses help protect us from danger and helpus understand the world around us.

What does the Bible say about the nose andthe sense of smell?

Exodus 30:22-38

Lesson 10.4 Smell

Students will read about the sense of smell and usetheir noses to distinguish various scents.

God designed our sense of smell to help us learn about our world.

Odor comes from molecules in the air. As we breathe these in through our nose, they move to the nasal cavity. Messages are then sent to thebrain telling us what we are smelling.

How can your sense of smell protect you?

Lesson 10.5 Healthy Mouth and Nose

Students will discuss ways to avoid spreading germsand how to maintain a healthy mouth and nose.

GermsGerms are tiny living things that make us sick.

When should you wash your hands?

Before you eat

After using the restroom

After coughing or blowingyour nose

After touching money

Staying Healthy Video

Keeping a Healthy Mouth

•Brush your teeth and tongue regularly – use your toothbrush to brush the surface of your tongue. This removes food particles.

•Avoid drinking extremely hot foods and drinks which can burn your tongue.

•Don’t drink from the same glass or use the same silverware as your friends.

Lesson 10.6 Tasting Food

By conducting an experiment, students will observethat the senses of taste and smell are related.

God designed the sense of taste and the senseof smell to work together.

Our senses of taste and smell not only give usinformation about what we are eating but also giveus enjoyment as we eat.

Scientific Method Video

Lesson 10.7 Chapter 10 Review

In a review, students will identify the structure ofthe tongue and nose, describe the function andpurpose of the senses of taste and smell, and listways to keep the tongue and nose healthy.

Part of your nose is made up of what?

Cartilage

What are the two openings in the nose called?

Nostrils

What part of the tongue helps you taste?

Taste buds

Name two things you can do to stay healthy.

Tell your neighbor one thing you learnedabout taste and smell.