The Skeletal System
How many bones are in the human skeleton?
206
The bicep is an example of a flexor or extensor?
Flexor
What is the main difference between veins and arteries?
Veins carry blood to the heart and arteries carry blood away from the heart
Which structure is the main passageway that distributes air to the lungs?
Bronchi
What are the three main stages of digestion?
Ingestion, absorption, and elimination
Name the 4 main types of bones.
Long bones, short bones, irregular bones, flat bones
The tricep is an example of a flexor or extensor?
Extensor
It is the primary function of this to help in the clotting process and stop bleeding.
Platelets
What stricture transports air from the nose and mouth to the bronchi?
Trachea
The grinding and tearing of food by the teeth is known as what kind of digestion?
Mechanical Digestion
What is the primary difference between ligaments and tendons?
Ligaments attach bones to bones
Tendons attach muscle to bones
Name the three main types of muscle in the body.
Skeletal muscle, smooth muscle, cardiac muscle
What is the most common cause of anemia?
Iron deficiency
___________ introduces harmful chemicals that damage the lungs and increase the risk of respiratory diseases.
Smoking
The main role of _____ ______ is to break down food and kill bacteria.
Gastric juices
Name the 4 main joint types.
Ball-and socket joints, Hinge joints, Pivot joints, Ellipsoidal joints
What happens to muscles during hypertrophy?
The muscles increase in size.
What component makes up the largest portion of blood?
Plasma
When the airways become inflamed and constricted, making it harder to breathe.
Asthma attack
Eating too quickly, lack of fiber in the diet, food intolerances or allergies can cause ______ _______.
What type of fracture involves the bone breaking into multiple pieces?
Comminuted fracture
The heart beating is an _________ muscle movement.
Involuntary
What are the names of the top and bottom numbers of blood pressure and what do they represent? And what is a normal blood pressure number?
Systolic is the top number and occurs when the heart contracts, while diastolic is the bottom number and occurs when the heart is at rest.
120/80 mmHg
What is the primary tole of the diaphragm?
To contract and expand the lungs for inhalation and exhalation
Pain in the lower right abdomen is the primary symptom of what condition?
Appendicitis