The word that means a ranked order of levels in the body.
What is hierarchy?
The smallest unit of life.
What is a cell?
A group of similar specialized cells that perform the same function.
What is a tissue?
A body structure made of different tissues that work together.
What is an organ?
A group of organs that work together to perform a major function in the body.
What is an organ system?
The level of biological organization that comes after tissues.
What are organs?
The type of cell that carries oxygen throughout the body.
What is a red blood cell?
The type of tissue that helps the body move by contracting.
What is muscle tissue?
Organs are made of these structures working together.
What are tissues?
The organ system that removes wastes from the body and includes the kidneys.
What is the excretory system?
The level of biological organization that comes before tissues.
What are cells?
The type of cell that sends signals through the body.
What is a nerve cell?
The type of tissue that carries electrical signals through the body.
What is nerve tissue?
The organ mentioned in the reading that filters blood to remove waste.
What is the kidney?
The organ system mentioned in the reading that includes the kidneys.
What is the excretory system?
The largest level of biological organization in the human body.
What is an organism?
Cells that have different structures so they can perform different jobs.
What are specialized cells?
The tissue that supports and connects body parts like bone and fat.
What is connective tissue?
Organs are more complex than tissues because they are made of multiple _____.
What are tissues?
The main job of an organ system in the body.
What is performing major body functions?
The correct order from smallest to largest: cells, organism, organs, organ systems, tissues.
What is cells → tissues → organs → organ systems → organism?
The tiny parts that make up cells according to the reading.
What are atoms and molecules?
The tissue that protects and covers the inside and outside surfaces of the body.
What is epithelial tissue?
An example of an organ in the human body.
What is the heart?
(Brain, skin, or kidney would also be correct.)
One example of a major organ system in the human body.
What is the digestive system?
(Respiratory, circulatory, or nervous system would also be correct.)