Skeletal System
This bony structure protects the brain.
What is the skull?
This type of muscle is attached to bones and helps the body move; it's striated and voluntary.
What is skeletal muscle?
This pair of organs is the primary site of breathing and gas exchange.
What are the lungs?
These vessels carry blood away from the heart.
What are the arteries?
The mechanical process of breaking food into smaller pieces with teeth and tongue.
What is chewing?
These bones protect the heart and lungs.
What is the rib cage? (ribs)
Smooth muscle is found in organs like the stomach and blood vessels; it is described as this (voluntary/involuntary).
What is involuntary?
The tube that carries air from the throat to the lungs is called this.
What is the trachea or windpipe?
These tiny vessels allow exchange of nutrients and gases between blood and tissues.
What are capillaries?
The main organ where most chemical digestion and nutrient absorption occur.
What is the small intestine?
The knee is an example of this type of joint that allows bending and straightening.
What is a hinge joint?
This tissue connects muscle to bone.
What is a tendon?
Oxygen moves from the alveoli into the blood by this process (movement from high to low concentration).
What is diffusion?
Vessels that carry blood back to the heart are called these.
What are veins?
The chemical process that breaks large molecules into smaller ones that cells can use is called ___.
What is chemical digestion?
These joints allow movement in many directions and are found in the shoulder and hip.
What is the ball and socket joint?
Give one example of an involuntary muscle and one example of a voluntary muscle.
Example of smooth or example of cardiac.
Example of skeletal.
Tiny air sacs in the lungs where gas exchange occurs are called these.
What are the alveoli?
The heart has this many chambers in humans.
What are 4?
The large, muscular sac that churns food and begins protein digestion with acid and enzymes.
What is the stomach?
A joint that does not move is called this.
What is an immovable joint?
Breathing involves both voluntary and involuntary control; name the primary muscle used for breathing.
What is the diaphragm?
The set of cartilage rings help keep this airway open.
What is the trachea or windpipe?
The chamber that receives oxygen-rich blood from the lungs is the ___ atrium.
What is the left atrium?
The involuntary muscular contractions that move food through the digestive tract are called this.
What is peristalsis?