Animals
Organ Systems
Muscles and Bones
Energy
Digestion
100

These vertebrates have hair and produce milk. 

What are mammals?

100

Protects the internal organs and supports the body 

What is the skeletal system?

100

Muscles that the individual can control

What are voluntary muscles?

100
Breads, cereals, desserts, and starchy vegetables are typical sources of this nutrient. 

What are carbohydrates?

100

This occurs when food is crushed or ground into small pieces.

What is mechanical digestion?

200

Sea stars, sea urchins, and sea cucumbers are an example of this invertebrate. 

What are echinoderms?

200
Supplies the body with energy by absorbing food and also eliminates wastes

What is the digestive system?

200

This is where two or more bones meet.

What is a joint?

200

This is found in meat, eggs, nuts, and beans.

What is protein?

200

Your body begins to take in nutrients through this process.

What is absorption?

300

Arthropods have this supportive structure on the outside of their bodies. 

What is an exoskeleton?

300

creates and protects new human life

What is the reproductive system?

300

These are patterns of dark and light bands seen in muscles under a microscope.

What are striations?

300

The energy that your body takes in is measured in this unit.

What is a calorie?

300

Food is ground and treated with enzymes and acid in the stomach until it becomes this pasty substance. 

What is chyme?

400
These animals can regulate their inner body temperature.

What are endotherms?

400

transports blood, which carries oxygen, food, and other substances throughout the body

What is the circulatory system?

400

The ends and center of many bones are made of this

What is spongy bone?

400

Salt is an example of this important nutrient. 

What is an mineral?

400

Bile is stored in this organ.

What is the gallbladder?

500

These mammals lay eggs but nourish their young with milk. 

What are monotremes?

500

Coordinates and controls movement and processes information from the sensory organs (such as the eyes and ears)

What is the nervous system?
500

humerus, radius, ulna

What are bones of the arm?

500

This class of nutrients is used by the body to store energy.

What is fat?

500

These microscopic finger-like structures line the small intestine. 

What are villi?

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