What is the function of a nerve cell?
|A)||to contract and relax muscles|
|B)||to form a protective layer for your body|
|C)||to receive and deliver messages|
|D)||to store fat|
Which type of cell forms a protective layer for your body?
Cells that form a system through which water, food, and other materials move in a plant are __________.
|C)||long and tubelike|
Which of the following is NOT an organ?
Put the level of organization in order from smallest to largest.
|A)||organ system, organs, tissues, and cells|
|B)||cells, tissues, organs, and organ systems|
|C)||organs, tissues, cells, and organ system|
|D)||cells, organs, tissues, and organ systems|
Groups of similar cells that all do the same sort of work are called __________.
Which of the following is an organ?
If a group of organs work together to perform a specific job, what are they called?
|C)||an organ system|
Blood is considered a(n) __________.