An _____ is made up of a group of organs that do a particular job.
organ system
plant system
organ function
organ structure
_____ are body parts that perform specific functions.
functions
structures
lungs
organs
Organs are made up of groups of _____ of the same kind that have a specific function.
cells
functions
structures
Your heart is an organ that contains muscle _____.
tissue
cartilage
tendons
ligaments
What organ system helps us breathe and extract oxygen from the air?
circulatory system
nervous system
muscular system
respiratory system
What muscle pushes on the lungs to move air?
trachea
heart
stomach
diaphragm
Your ____ is your heart rate, or how many times your heart beats per _____.
rate / minute
pulse / hour
pulse / month
pulse / minute
The _____ is a muscular organ that pumps blood throughout your body.
heart
brain
lungs
veins
The heart is part of the _____ system, a network made up of the heart, blood, and blood vessels.
nervous
muscular
respiratory
circulatory
When the chambers of the heart _____, they fill up with blood. Then, the chambers _____ the blood to force it out.
relax / squeeze
squeeze / relax
The _____ system supports your body and gives it shape.
skeletal
respiratory
organ
muscular
