What are all organisms made up of?
cells
Are the bones hard or soft?
hard
How many muscles are in the human body?
650
What is the main organ of the circulatory system?
the heart
What is the main organ used for breathing?
the lungs
What do organisms use?
a) electricity
b) batteries
c) energy
c) energy
Name a bone in the skeleton.
answers vary
True or False
All the muscles are the same and do the same function?
False
How many components are there in blood?
Between 1 and 4
four
What air do we inhale?
oxygen
True or False
Plant and animal cells are exactly alike with no differences?
False
How many bones make up the skeletal system?
206
What takes more muscle power smiling or frowning?
frowing
Name a component of blood
red blood cells
white blood cells
plasma
platlets
What air do we exhale?
carbon dioxide
Are cells alive or dead?
alive
What does your skeleton protect?
the organs
What do muscles do for the body?
allows the body to move
Name a type of blood vessel
arteries
capillaries
veins
trachea, windpipe
Name a cell organelle or cell part?
cell wall, nucleus, cytoplasm, etc.
What is a function of the skeletal system?
to support and protect
What do facial muscles connect to?
the skin
How many chambers are in the heart?
four
Where does air enter and exit the body?
the mouth and nose