Unit 3 Test Review

A combination of tissues working together create this.

• Organ

• Organism

• Tissue

• Organ System

A combination of similar cells working together create this.

• Cells

• Organs

• Tissue

• Organ System

A combination of organ systems working together create this.

• Cells

• Organ System

• Organ

• Organism

The smallest unit of a living thing.

• Organism

• Cell

• Tissue

• Organ System

A combination of similar organs working together create this.

• Organ

• Organ System

• Tissue

• Organism

Which is not part of the circulatory system?

• Blood

• Heart

• Veins

• Trachea

Which is not a kind of blood vessel?

• Valve

• Vein

• Capillary

• Artery

What structure transports needed substance (Nutrients, Gasses, and Waste) to and from the body cells?

• Water

• Food

• Blood

• Enzymes

Which of the following is main function of the excretory system?

• To bring oxygen to the body cells.

• To collect and remove waste (Poisons) from the body.

• To protect the body organs.

• To strengthen skeletal muscles.

Which of the following is part of the digestive system?

• Heart

• Kidney

• Stomach

• Trachea