Systems of the Body 1

The human body is composed of about 100 trillion cells, but only about a tenth of those cells are human cekks. What are the other cells?

• bacteria & other microorganisms

• viruses

• red blood cells

What is the function of the Excretory (Urinary) system?

• Filters blood to remove waste and helps rid your body of liquid waste

• Exchanges gasses

• Takes in O2

• Circulates blood throughout the body

What system is made up of brain, spinal cord, and nerves?

• Immune System

• Urinary System

• Digestive System

• Nervous System

What body system breaks down food for energy?

• Urinary System
• Digestive System
• Lymphatic System
• Respiratory
  Respiratory System

What systems work together to help you move?

• Endocrine System and respiratory

• Muscular System and skeletal

• Cardiovascular System and nervous

• Skeletal System only

What body system protects your organs?

• Nervous System
• Cardiovascular System
• Respiratory System
• Skeletal System

This system takes nutrients to your cells?

• Muscular System

• Cardiovascular System

• Lymphatic System

• Endocrine System

What system carries oxygen to your lungs?

• Cardiovascular System

• Respiratory System

• Nervous System

• Endocrine System

The humerus is part of this system?

• Muscular
• Reproductive
• Skeletal
• Nervous

1. Which system is composed of the nose, pharynx, trachea, and LUNGS?

• respiratory

• digestive

• excretory

• muscular