Bundle 8- Human Body and Cells

What is the body system that sends and receives electrical signals from the brain?

• Skeletal System
• Nervous System
• Muscular System
• Digestive System

What system allows motion in the body?

• Digestive System
• Stomach
• Musuclar System
• Veins 

Why is the blood that flows from the lungs to the heart bright red?

• It has oxygen in it
• It has carbon dioxide in it
• It has food coloring in it
• It has waste in it

Which body system transports oxygen and nutrients through out the body?

• Muscular System
• Nervous System
• Digestive System
• Circulatory System

What system receives oxygen and gets rid of carbon dioxide?

• Heart
• Muscular System
• Veins 
• Respiratory System

What system breaks food down into energy for the body?

• Stomach
• Digestive System
• Respiratory system
• Lungs

Which of the following is in the correct order from smallest to largest?

• tissue-organ-system-cell
• cell-organ-tissue-system
• System-tissue-cell-organ
• cell-tissue-organ-system

This system sends chemical messages (hormones) that regulate growth, development, and metabolism.

• endocrine
• nervous
• immune
• skeletal

Bacteria are _______ _______ organisms.

• Celled Organisms
• Single celled 

Prokaryotes are much more ______ and ______ than eukaryotes.

• Simple and smaller
• Smaller and shinier 
• Simple and bigger
• Bigger and complex