Cells
All living things are made up of at least one of these.
A Cell
What is created when a lot of the same cells work towards a single job?
A Tissue
What is the primary organ of the nervous system?
The brain
Name two functions of the muscular system.
1. Provides movement 2. Moves food through the digestive system
Order the human body system from smallest to largest.
Cell - Tissue - Organ - Organ System - Organism
What do you call something that is made up of only one cell?
Unicellular
Name a kind of muscle tissue and the job it performs.
Example: the cardiac muscle pumps blood through the body.
What is the primary organ of the respiratory system?
The lungs
Name two functions of the nervous system.
1. Controls other body systems 2. Sends messages throughout the body
Name two functions of the integumentary system.
1. Protects organs from infection 2. removes salt through sweat
What do you call a being that is made up of more than one cell?
Multicellular
Name a kind of connective tissue and the job it performs.
Example: Ligaments hold bones together
What is the primary organ of the excretory system?
The kidneys
Name two functions of the digestive system.
1. Breaking down food 2. Absorbing nutrients
How do the circulatory and respiratory systems work together?
The circulatory system provides blood to the lungs to carry oxygen and remove carbon dioxide.
Why are there so many different kinds of cells?
Each kind of cell performs a specific job.
Name a kind of epithelial tissue and the job it performs.
Example: skin provides covering and protection for our bodies.
What is the primary organ of the circulatory system?
The heart
Name two functions of the skeletal system.
1. Protecting the organs 2. Making blood
How to the skeletal and circulatory systems work together?
The marrow in our bones produce blood for our circulatory system.
What happens when DNA replication goes haywire and a cell can't stop making new copies of itself?
Cancer
Name a kind of nerve tissue and the job it performs.
Example: neurons carry electrical signals throughout or body.
Name an organ other than the heart and explain its job.
Example: the stomach breaks down food for digestion.
Name two functions of the circulatory system.
1. Moves nutrients to cells 2. Moves waste away from cells
How do the excretory and circulatory systems work together?
The circulatory system moves blood to the kidney and removes waste from it.