Body Systems

Homeostasis

• allows for a wildly fluctuating internal environment
• is impossible in vertebrates
• is the maintenance of a relatively stable internal environment

• is the maintenance of a relatively stable external environment

Name the levels of organization in the human body in order from smallest to largest:

• Tissue, organ, organ system
  
• Organ system, tissue, organs, cells
  
• Cells, tissue, organs, organ system
  
• Cells , organs, tissue, organ system

Drag the images to match the labels

• Cell

• 
• Organism

• 
• Tissue

• 
• Organ

• 
• Organ System

• 

The digestive system and the circulatory system work together to do which of the following?

• break down food and transport nutrients to the rest of the body

• allow the body to interpret sensory information and perform a response

• take in oxygen and transport it to the rest of the body

• allow the body to move from one place to another

The circulatory system and the excretory system work together to do which of the following?

• transport nutrients to the rest of the body

• transport oxygen to the rest of the body

• remove wastes from the body

• allow the body to move from one place to another

The skeletal system and the muscular system work together to do which of the following?

• transport nutrients to the rest of the body

• transport oxygen to the rest of the body

• remove wastes from the body

• allow the body to move from one place to another

The _______ system breaks down the food we eat, while the _______ system transports the tiny food particles to each cell in the body.

• circulatory; digestive

• digestive; respiratory

• muscular; circulatory

• digestive; circulatory

The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

What type of digestion takes place in the stomach?

• mechanical

• chemical

• both mechanical and chemical

What chemically breaks down food into smaller molecules?

• teeth

• muscles of the stomach

• enzymes