CIRCULATORY
Pumps blood throughout the body
The heart
Where food is chewed and mixed with saliva
Mouth
The tube that carries air to the lungs.
Trachea
supports your body, protects your organs, and helps you move.
The skeletal system
Is the only organ that float in Water
The lungs
Carry oxygen-rich blood away from the heart.
Arteries
The tube that carries food to the stomach.
Esophagus
A muscle that helps your lungs expand and contract for breathing
Diaphragm
Provide structure and protection
Bones
Your stomach has enough____________ to dissolve metal.
Gastric Acid
Bring oxygen-poor blood back to the heart.
Veins
Breaks down food with acids and enzymes.
Stomach
The two large lightweight organs of the respiratory system.
The Lungs
Work with bones to allow movement.
Muscles
Babies are born with ___________ bones, but adults have __________.
Babies 270 to 300 bones and adults 206.
Tiny blood vessels where oxygen and nutrients are exchanged with tissues.
Capillaries
Absorbs nutrients from food.
Small Intestine
The many little branches of the respiratory system.
Bronchioles
Protects the brain
The Cranium
The total length of your ____________ could circle the Earth almost 2.5 times.
Blood Vessels
is responsible for transporting blood, oxygen, and nutrients throughout the body. It works like a network of highways, with blood traveling through vessels to all parts of your body.
Circulatory System
breaks down food so your body can use it for energy, growth, and repair.
Digestive System
The grape-like clusters of air sacs in the lungs that allow oxygen pass into the blood.
Alveoli
The largest bone of the human body
Femur
The total length of your________________could circle the Earth almost 2.5 times.
blood vessels