Fill in the Blank
The ______ is the smallest unit of a living organism.
The __cell__ is the smallest unit of a living organism.
The basic unit of life
Cell
Name the levels of organization.
Cells, Tissues, Organs, Organ System, Organism
Describe the muscular system.
Gives shape to the body and helps with movement
Which of the following will be the most similar?
A Two cells in the same tissue
B Two tissues in the same organ
C Two organs in the same system
D Two systems in the same organism
A Two cells in the same tissue
Blood is an example of a(n) ________.
Blood is an example of a(n) _Tissue__.
A self-contained system within a larger system
Subsystem
Explain how organ systems work together to keep organisms alive.
All organ systems depend on each other.
Describe the skeletal system.
Provides a framework/structure for the body and helps protect vital organs.
Which of the following provides the best example of the parts of a system working together to achieve a specific function?
A Specialized cells in a plant’s leaf open and close in response to changing conditions.
B Red blood cells are capable of transporting oxygen because of their chemical composition.
C Glands in the mouth, the stomach, the pancreas, and the small intestine secrete chemicals that break down nutrients.
D Animals that prey on other animals require the ability to move about in their environment.
C Glands in the mouth, the stomach, the pancreas, and the small intestine secrete chemicals that break down nutrients.
An example of a(n) __________ is the brain, spinal cord, and nerves working together.
An example a(n) _Organ System_ is the brain, spinal cord, and nerves working together.
Different tissues that perform a task
Organ
Give an example on how two different organ systems work together.
Answers vary.
Describe the circulatory system.
Circulates blood through the body, supplies body cells with oxygen and nutrients, and removes waste products
Which of the following provides the best evidence that organ systems in the human body interact with one another?
A Shivering in response to sensing of cold environment
B Storing waste products for later elimination
C Breaking down nutrients from ingested food
D Forming a clot for a cut to stop blood loss
A Shivering in response to sensing of cold environment
Usually, organ systems work together to help keep an ________ alive. For example, the circulatory system works with the respiratory system to transport _________ throughout the body.
Usually, organ systems work together to help keep an _organism_ alive. For example, the circulatory system works with the respiratory system to transport _gases_ throughout the body.
Group of cells that work together
Tissue
Answers Vary.
Describe the digestive system.
Breaks down food to get nutrients that the body is able to use
Which of the following accurately describes one part of the hierarchy of organization in living systems?
A Tissues are made up of various cell types.
B Organs are made up of various organ systems.
C Cells are made up of various organs.
D Tissues are made up of various organisms.
A Tissues are made up of various cell types.
Cells -> Tissue -> _______ -> Organ System -> Organism
Organ
Group of organs working together.
Organ System
Name two organs in the respiratory system.
Answers Vary
Describe the respiratory system.
Brings oxygen into the body and takes waste from cells out of the body.
Which of the following provides the best evidence that the circulatory system and the respiratory system work together to carry out their functions?
A Nutrients are absorbed into the blood from the intestines.
B Lungs expand and contract through movements of the diaphragm.
C New red blood cells are generated in the marrow of bones.
D Gases exchanged in the lungs are carried by the blood.
D Gases exchanged in the lungs are carried by the blood.