Where does the process of digestion begin in the human body?
The mouth
What is the main function of the respiratory system?
To bring oxygen into the body and remove carbon dioxide
What are the two main parts of the central nervous system?
The brain and the spinal cord
What is the main organ of the circulatory system?
The heart
What is the main purpose of the skeletal system?
To support the body, protect organs, and allow movement
What is thee name of the ling, muscular tube that connects the mouth to the stomach?
The esophagus
What gas to humans need to breathe in to surive?
Oxygen
What are the 5 senses that the nervous system processes?
Sight, sound, smell, taste, and touch
What do arteries do?
Arteries carry oxygen-rich blood away from the heart to the rest of the body
What is the hard structure that protects the brain?
The skull
Which organ is responsible for producing bile?
The liver produces bile
What gas do humans exhale as waste?
Carbon dioxide
What acts as the "boss" of the body, controlling everything you do?
The brain
What do veins do?
They carry blood back to the heart
the framework of bones that forms the structure of the body and protects internal organs
The skeleton
In which part of the digestive tract does most of the chemical digestion and absorption of nutrients occur?
The small intestine
What is the windpipe, or the main tube that carries air to the lungs?
The trachea
What is the main function of the brain?
To control body functions, thoughts, memory, and emotion
What are the smallest blood vessels called?
Capillaries
the flat, moveable bone in front of the knee; kneecap.
The patella
What are the tiny, finger-like projection in the small intestine that increase surface area for nutrient absorption called?
Villi
What are the main organs of the respiratory system?
The lungs
What is the main job of the nervous system?
To send messages back and forth between the brain and the body
Which blood component carries- oxygen?
Red blood cells
the place where two bones connect in the body, such as the knee and elbow.
The joint