8 questions
What are the most basic units of the human body?
Organs
Organ system
Cells
A group of connected cells that serve a similar function.
Tissue
Epithelial
Connective
Machine
Cells that form the body's structure
connective tissue
epithelial tissue
muscle tissue
nervous tissue
Cells that protect the body and its internal organs by lining the surfaces.
epithelial tissue
connective tissue
muscle tissue
nervous tissue
Cells that have the ability to contract, making them shorter, or relax, making them longer.
connective tissue
epithelial tissue
muscle tissue
nervous tissue
Cells that carry electrical messages to other cells.
connective tissue
epithelial tissue
muscle tissue
nervous tissue
A structure that consists of two or more types of tissues that work together to do the same job.
organ
epithelial
muscle
machine
A group of organs that work together to carry out a complex overall function.
organ
organ system
epithelial
machine