Levels of Organization
Cells
Tissues
Organs
Circulatory/Respiratory Systems
100
The smallest unit of life in the human body.
What is a cell?
100
Identify this cell and describe its function.
What is a neuron? It sends electrical signals through the nervous system.
100
A group of similar cells that work together.
What is a tissue?
100
THe organ that pumps blood throughout the body.
What is the heart?
100
The system that includes the heart and blood vessels.
What is the circulatory, or cardiovascular system?
200
The five levels of organization in the human body from smallest to largest.
What are cells, tissues, organs, organ system, organism?
200
Identify this cell and explain how its structure helps its function.
What is an intestinal cell? The little fingers increase surface area for nutrient absorption.
200
One of the four main types of tissues in the human body.
What is epithelial, connective, muscle, or nervous tissue?
200
The organ that takes in oxygen and removes carbon dioxide.
What are the lungs?
200
This system's main job is to bring in oxygen and remove carbon dioxide from the body.
What is the respiratory system?
300
True or False: An organ system is made up of different types of tissues.
What is False? (It is made of different organs.)
300
Identify this cell and explain why it has multiple mitochondria.
What is a skeletal muscule cell? It has more mitochondria to produce energy for movement.
300
The type of tissue that allos movement.
What is muscle tissue?
300
The main function of blood vessels.
What transports blood throughout the body?
300
The systems that send signals through the body and controls responses.
What is the nervous system?
400
An example of an organ system and two organs in it.
Various answers. MUST BE TEACHER APPROVED.
400
Identify this cell and explain where it is found in the body.
What is a smooth muscle cells? It is what lines the organs of the body.
400
Blood, bone, and fat are examples of this tissue type.
What is connective tissue?
400
The structure that prevents food from entering the trachea when swallowing?
What is the epiglottis?
400
The digestive system breaks down food into nutrients. This system helps transport those nutrients throughout the body.
What is the circulatory, or cardiovascular system?
500
If a person has liver damage, which level of organization is affected? List all the apply.
What are organs, tissues, and cells?
500
Identify this cell and explain why it lacks a nucleus.
What is a red blood cell? It lacks a nucleus to have more space for carrying oxygen.
500
The tissue type that carries electrical signals throughout the body.
What is nervous tissue?
500
How the respiratory and circulatory systems work together to deliver oxygen to the body.
What is the lungs bring in oxygen, which the blood carries to the cells?
500
Explain how at least three body systems interact when you exercise.
MUST BE TEACHER APPROVED