1.
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 2.
Which type of cell forms a protective layer for your body?A) muscle cell B) skin cell C) fat cell D) nerve cell 3.
Cells that form a system through which water, food, and other materials move in a plant are __________.A) brick shaped B) block shaped C) long and tubelike D) round 4.
Which of the following is NOT an organ?A) blood tissue B) skin C) bones D) the heart 5.
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 6.
Groups of similar cells that all do the same sort of work are called __________.A) organs B) tissues C) organ systems D) cell systems 7.
Which of the following is an organ?A) muscle tissue B) blood tissue C) nerve tissue D) stomach 8.
If a group of organs work together to perform a specific job, what are they called?A) helper organs B) tissue systems C) an organ system D) an organism 9.
Blood is considered a(n) __________.A) tissue B) organ C) cell D) organ system