the system that pumps blood throughout your body
circulatory system
The bones in the human body that interact to move, protect the body, and give it shape
Skeletal system
takes in information through our senses, processes the information and triggers reactions
The Nervous System
The organ where most of digestion occurs.
small intestine
Strata
Layers of rock
The main respiratory organ that takes in and releases air.
Lungs
An organ that contracts and relaxes to make bones move.
Muscle
sensory organ
An organ that collects information about the body’s surroundings, such as eyes, ears, nose, skin, and tongue.
A body part that helps break down food into nutrients.
Stomach
igneous rock
formed through the cooling and solidification of molten rock
blood vessels that carry blood away from the heart.
Artery
The organ that surrounds and protects the body.
Skin
Respond
To react to a change or action.
Liver
An organ that breaks down fats and helps with digestion
sedimentary rocks
formed when particles of sand, shells, pebbles, and other fragments are pressed and cemented together in layers over millions of years
groups of cells of the same kind that have a specific function
Tissue
a strong, flexible connective tissue that protects your joints and bones.
Cartilage
Nerve
a bunch of wires in the body that send signals to and from the brain
Pancreas
The organ that manages sugar in the body.
metamorphic rocks
rocks formed from other types of existing rock due to changes in heat or pressure
a tube-like structure in the neck and upper chest
Trachea
rope like tissue that pull on bones
Tendon
controls balance and coordination
Cerebellum
The organ that takes in water from food and helps get rid of waste.
large intestine
K-T boundary
a thin, distinct layer of rock dating back approximately 66 million years. It marks the quick end of the Mesozoic Era (the age of the dinosaurs) and the beginning of the Cenozoic Era.