Cells
Cells
What is a tissue
A group of similar cells that work together to perform a function?
What is an organ
Two or more tissues working together to carry out a specialized function
What is an organ system?
A group of organs and other structures that work together to perform a specific function
What is the smallest level of organization in this unit?
Cell
What do all living organisms need at least one of
Cells
Which level comes directly after the cell in the organization of a multicellular organism?
Tissue
What organ pumps blood
Heart
Which organ system includes the heart and blood vessels?
Circulatory system
What comes after tissues?
Organ
Can an organism be made of one cell?
True
Why do cells form tissues
To work together to perform a specific function
Why are multiple tissues useful in an organ
They work together to perform a specialized function
Which organ system helps bring oxygen into the body?
Respiratory System
Living thing made up of one or more cells that can perform all life functions
Organism
A living thing made of one or more cells that can perform all life functions is called what?
Organism
Muscle tissue is made of similar cells that work together to do what?
Move
An organ is made of at least how many different tissues?
2 or more
Why do organs work together in organ systems?
To perform important functions for the organism
A group of organs works together to digest food and absorb nutrients. What level of organization does this describe?
Single celled organism performing all life functions
Unicellular organism
Put these in order from smallest to largest: organ, cell, tissue, organ system.
cell → tissue → organ → organ system
The stomach contains several types of tissues that work together. What level of organization is the stomach?
Organ
The heart, blood vessels, and blood work together to transport materials around the body. What level of organization are they part of?
Organ System
These organisms are Ms. M's favorite animals (hint: 2)
Cats and horses