Unit 3 RETEST

The ____ system is responsible for transporting materials like oxygen and nutrients throughout the body.

• Muscular
• Respiratory
• Excretory 
• Circulatory 

Cardiac TISSUE that works together to pump blood throughout the body makes up an organ called  ______.

• organ system
• muscle tissue
• heart
• cardiac tissue

A specific ORGANISM made of multiple organ systems that can stand upright is called a(an) ___. 

• human
• cell
• mechanical digestion
• muscular system

The ______system includes the brain, spinal cord and peripheral nerves. 

• excretory
• nervous
• skeletal
• muscular

The ___ system consists of the nose, trachea, bronchioles and alveoli. 

• excretory
• circulatory
• digestive
• respiratory

The major organs of the ___ system include the nose, lungs, and diaphragm.

• integumentary
• circulatory
• excretory
• respiratory

The basic unit of life is the _____.

• cell
• mechanical digestion
• skeletal system
• human

The ____ system protects organs and gives structure and support to the body. 

• skeletal
• digestive
• excretory
• muscular

The ___ system is the body’s FIRST LINE of defense against bacteria and viruses.

• respiratory
• circulatory
• integumentary
• muscular

The ___ system takes in food, breaks it down, and absorbs nutrients necessary for growth. 

• excretory
• skeletal
• nervous
• digestive