Digestive System
Respiratory System
Muscular System
Circulatory System
Skeletal System
100
The physical break down of food into smaller parts done by the teeth and peristalsis.

What is mechanical digestion?

100

The main organ in the respiratory system.

What are the lungs?

100

A type of muscle that is under voluntary control.

What are skeletal muscles?

100

The main organ of the circulatory system.

What is the heart?

100

The place where two bones meet.

What is a joint?

200

Most nutrients are absorbed in this organ in the digestive system.

What is the small intestines?

200

The large muscles that helps to inflate and deflate the lungs.

What is the diaphragm?

200
Breathing is this type of muscle action.

What is involuntary?

200

The number of chambers in the heart of amphibians.

What is three?

200

A type of joint that allows movement in many directions. 

What is a ball and socket joint?

300

Fingerlike projections in the small intestine that absorb nutrients.

What are villus?

300

The two air passageways leading from the trachea into the lungs.

What are the bronchi?

300
Connects muscles to bones.

What are tendons?

300

These carry oxygenated blood away from the heart.

What are arteries?

300

Tissue that connects bone to bone.

What are ligaments?

400
The system involved in removing liquid waste products after digestion.

What is the excretory system?

400

In the lungs gas exchange takes place between capillaries and these air sacs in the broncioles.

What are alveoli?

400

An organelle that is abundant in muscle tissue because it provides energy.

What are mitochondria?

400
The main artery where oxygenated blood leaves the left atrium.

What is aorta?

400

Two types of skeletal systems that are hard.

What are exoskeletons and endoskeletons?

500

The main function of the digestive system.

What is break down and absorb nutrients and excrete waste products?

500

The main function of the respiratory system.

What is gas exchange?

500

The main function of the muscular system.

What is movement?

500

The main function of the circulatory system.

What is transporting blood and oxygen/nutrients throughout the body?

500

The main function of the skeletal system.

What is structure and support?

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