External Animal Structures
Circulatory System
Muscular/Skeletal System
Sense of Smell
Nervous system
100

What is the importance of fur in animals?

Fur is important for keeping an animal warm

100

When Mrs. Frizzle is rowing the boat, she gets hiccups. Ralphie tells her to hold her breath and it slows her down. Why did Mrs. Frizzle slow down?

Mrs. Frizzle did not get enough air. Which means she did not have the oxygen to make her muscles work. 

100

What internal structure helps the body to stand up straight?

Bones help the body to stand up straight.

100

Where are smells processed?

In the brain. 

100

What is the nervous system?

The nervous system is home to our brain, nerves and spine. It helps us make decisions and feel. 
200

What is the importance of teeth in animals?

Teeth help animals to eat. 

Dull teeth are important for herbivores or animals that eat plants. 

Sharp teeth are important for carnivores or animals that eat meat.

200

When you breath in air, what part of air does the body use?

Hint: Air is made up of different elements and they are; nitrogen, oxygen, argon, and carbon dioxide.

The body uses oxygen.

200

What internal structure helps the body to move?

Muscles help the body to move.

200

How do salmon use smells?

Salmon use smells to migrate to different bodies of water.

200

Why is the brain important?

The brain helps us make decisions. It is the control center of our body.

300

What is the importance of claws in animals?

Claws help animals catch prey

300

When the oxygen is in the lungs, what carries it throughout the body?

Red blood cells carry oxygen throughout the body.
300

What internal structure helps us to bend?

Joints help us to bend.

300

The nose has two types of structures to help protect the lungs. What are they? 

Mucus lining and hairs. 

300
There are two types of nerves. What are they? How do they work?

The two types are sensory nerves and movement nerves. 

Sensory nerves help with feeling. 

Movement nerves are used to tell your body how to move. 

400

All external features are for what?

All external features PROTECT the insides of the body.

400
The red blood cells drop off the oxygen at the muscles what do the red blood cells pick up from the muscles?

The red blood cells pick up carbon dioxide.

400

What internal structure holds muscles to bone?

Tendons hold muscle to bone. 

400

Warning: this one is gross! 

How are boogers formed?

Boogers are formed when dirt gets in the nose.

400

Why is the spine important?

The spine is the center of the body and houses all the nerves. 

500

What are 3 examples of external features in humans? 

Skin, Hair, fingernails.

500

When muscles get overworked they excrete (leak) something? What is it?

Muscles excrete lactic acid. 

500

What internal structure holds bones to joints?

Ligaments hold bones to joints.

500

Warning: This one is also gross. 

Why are boogers important?

Boogers trap dirt and keep it from getting down into our lungs.

500

What is reaction time? Why is the brain important to reaction time?

Reaction time is how fast it takes the body to react and do something. The brain processes the reaction we have when an event happens.