Cardiac System
Respiratory System
Muscular System
Skeletal System
Digestive System
100
Sinoatrial (SA) Node
What is the heart's internal pacemaker?
100
Bronchi
What are the two tubes that branch into each lung from the trachea?
100
Contraction
What is the movement of muscles when stimulated?
100
206
What is the number of bones in the human body?
100
Stomach
What is a saclike muscular organ that churns and squeezes food, continuing it's physical breakdown?
200
veins
What are the blood vessels that return blood to the heart from the body?
200
Trachea
What is the windpipe?
200
Visceral muscle
What is the type of tissue that lines hollow organs, makes up walls of blood vessels, and is in the tubes of the digestive system?
200
Thorax
What is the part of the skeletal system that includes the ribs, sternum, and vertebral bones that protect the lungs and heart?
200
Peritoneum
What is a flat serous membrane surrounding the abdominal cavity?
300
right and left atria, right and left ventricles
What are the four chambers of the heart?
300
Tidal Volume
What is the amount of air normally exchanged with each cycle of inspiration and expiration?
300
Adduction
What is movement of a body part toward the midline?
300
Long bones
What are bones that are longer than they are wide?
300
Liver, gall bladder & pancreas
What are the three accessory organs of the digestive system? What exocrine organs carry digestive juices to the intestinal tract?
400
Aorta
What is the largest artery in the body?
400
12 - 20 breaths/min
What is the normal respiratory rate of an adult?
400
Convulsions
What is contractions of groups of muscles in an abnormal way?
400
Tendons
What connects bones to muscles?
400
Peristalsis
What is the wave of contraction that moves food through the digestive system?
500
Electrocardiography (ECG)
What is technique used to measure electrical activity in the heart?
500
Alveoli
What are small sacs at the end of the bronchioles where gas exchange takes place?
500
Tonus
What is the muscle's ability to maintain slight, continuous contraction?
500
32
What is the number of adult teeth in humans?
500
30 feet long
What is the digestive tract?
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