The inner framework made up of all the bones of the body

rooms, in the heart, large, hollow areas that recieve incoming blood from the lungs and tissues and ship it out again.

Blood vessels that carry blood back to the heart

to do harm to; to hurt or damage

the trunk of the human body; frame

leap

Blood vessels that carry blood away from the heart

Basic unit of life

heartbeat

group of similar cells that perform a particular function

fracture, rupture

the heart and blood vessels that circulate blood through the body

tissues or fibers that cause movement of body parts and organs; "physique"

red body fluid

protected from a disease; invulnerable, resistant

A group of parts that work together as a whole; arrangement, organization

related to respiration

the short, thick finger on the side of your hand

group of tissues that work together to perform closely related functions

an organ we think and feel with

backbone

related to digestion

belly, gut

Main organs of the respiratory system