Body Basics
What is a cell?
The smallest living unit of the human body
This system supports the body and protects organs.
skeletal system
Essential nutrient for hydration.
What is water
The organ where oxygen enters the blood.
lungs
True or False: Money alone can tell us someone's quality of life.
false
What is tissue?
A group of similar cells working together.
This system creates movement.
What is the muscular system
This nutrient is broken down into glucose and can be used to make energy.
carbohydrates
This organ creates the pumping force that moves blood.
heart
Name ONE quality-of-life indicator besides money.
Health, education, safety, housing, environment, jobs, basic services, human rights, etc.
What is an organ?
Different tissues working together to perform a specific function.
This system brings oxygen into the body and removes carbon dioxide.
What is the respiratory system
This nutrient helps with growth and repair.
protein
Complete the pathway: Air → lungs → ______ → heart → body cells.
blood
This type of indicator is based on facts that can be measured or counted.
objective
Put these in order from smallest to largest: organism, tissue, cell, organ system, organ.
Cell → Tissue → Organ → Organ System → Organism
This system moves blood, oxygen, nutrients, and wastes throughout the body
the cardiovascular system
During digestion, protein is broken down into these smaller building blocks.
amino acids
What usually happens to breathing rate and heart rate when exercise begins?
they increase
This type of indicator is based more on how a person thinks or feels about life.
subjective
Explain how an organ system and an organism are different.
An organ system is a group of organs working together; an organism is the complete living human.
This system uses the brain, spinal cord, and nerves to control and communicate with the body.
nervous system
Explain how food, water, excersise can impact a person's life?
They can increase a person's energy, give them a better mood, improve their sleep, and allow them to live a more quality life free of disease. (answer, may vary)
Why do breathing rate and heart rate increase during exercise?
Working muscles need more oxygen and energy, so the respiratory system brings in more oxygen and the cardiovascular system moves it faster to the tissues.
Explain why one number cannot completely describe someone's quality of life.
Because quality of life depends on many different factors and both measurable conditions and personal experiences.