Levels of Organization / Bodies & Systems

A group of cells that works together is called...

• organ

• organism

• organ system

• tissue

Which of the following examples describes things that are most similar (most alike)?

• two tissues in the same organ

• two cells in the same tissue

• two organs in the same system

• two systems in the same organism

If you are moving around, which system is the main system that is being used?

• endocrine

• circulatory

• muscular

• endocrine

Patting your head and rubbing your stomach at the same time can be very tricky! This is because it requires the coordination of which two main systems?

• nervous and muscular

• circulatory and skeletatl

• urinary and digestive

• respiratory and circulatory

Which of the following correctly describes one part of the levels of organization in living things?

• cells are made up of various organs

• organ systems are made up of various organs

• organs are made up of various organ systems

• tissues are made up of various organisms

Organ systems work together to help keep a(n) ________ alive!

• organ

• cell

• organelle

• organism

Which of the following provides the best evidence that the circulatory system and the digestive system work together to carry out their functions?

• Nutrients are absorbed into the blood from the intestines and then delivered to the cells in the body

• Lungs expand and contract through movements of the diaphragm

• Salivary glands in the mouth make saliva that starts to immediately digest food in the mouth

• Kidneys filter waste products from the blood

These organisms are made up of many different types of specialized cells that are designed for a particular purpose, such as muscle cells or skin cells.

• unicellular

• multicellular

The levels of organization from COMPLEX to SIMPLE is...

• cell, tissue, organ, organ system, organism

• tissue, cell, organ system, organ, organism

• organism, organ system, organ, tissue, cell

• organism, organ, organ system, tissue, cell

Which of the following is an example of an organ (check all that apply)?

• neuron

• brain

• stomach

• skin