Organisms and Human Body systems Quiz

What do scientists call an organism with one cell that can carry out all of life's functions to survive? (a)  

• complex
• single-celled
• multicellular
• tissue

Which of the following is an example of a single-celled organism? (a)  

• amoeba
• fern
• earthworm
• Jelly fish

Which of the following is an example of a multi-celled organism?

• amoeba

• bacteria

• earthworm

• paramecium

What do scientists call an organism that is a complex system that needs many cells to carry out all of life's processes?

• complex

• multicellular

• single-celled

• tissue

Which body system takes oxygen out of the air that is breathed and transports it throughout the body?

• cardiovascular

• respiratory

• digestive

• muscular

Which body system transports nutrients throughout the body to all of the cells?

• circulatory

• digestive

• nervous

• respiratory

The ​ (a)   ​ and ​ (b)   systems work together to cause movement.

• skeletal
• Muscular
• circulatory
• nervous
• respiratory
• digestive

Match the following

• contracting helps this system's parts move the body

• nervous

• controls everything in the body: walking, breathing, thinking

• respiratory

• provides support for your body and protects the organs

• skeletal

• allows breathing so oxygen can be taken in and carbon dioxide can be released

• muscular

Match the following

• produces red blood cells

• circulatory

• picks up waste from the cells and transports it

• skeletal

• sends messages to muscles telling them to move bones

• nervous

This system includes the brain, nerves, and spinal cord.

• skeletal

• nervous

• circulatory

• respiratory