Circulatory System
What organ pumps blood throughout the body ?
What is the heart
The main organs where gas exchange occurs ?
What are the lungs
The tube where food travels from the mouth to the stomach ?
What is the esophagus
What is the brain
Bones and muscles work together to allow this ?
What is movement
Blood vessels that carry blood away from the heart are called ?
What are Arteries
The tiny air sacs in the lungs where oxygen enters the blood ?
What are alveoli
This organ breaks down food using acids and enzymes?
The long bundle of nerves that connects the brain to the body
What is the spinal cord
This type of muscle is attached to bones and helps
What is skeletal muscle
Blood cells that carry oxygen are called ?
What are red blood cells
The muscle that helps you breathe in and out ?
What is a diaphragm
The small intestine absorbs these from food ?
What are nutrients
These transmit electrical signals between the brain and the rest of the body
What are nerves
The tough tissue that connects muscles to bones
What is a tendon