What percentage of mass do skeletal muscles take up in the human body?
40%
What is defined aas a foreign body?
antigen
Vessels that carry blood away from the heart are called?
Arteries
What type of muscle lines the the digestive tract
Smooth
What is breathing referred to as?
Where is cardiac muscle found?
the Heart
What is it called when an antigen enters the body and the body responds by producing antibodies that attack the antigen .
Immune response
The only artery that carries unoxygenated blood is the
Pulmonary Artery
What is the transfer of nutrients into the blood called?
What muscle assists with respiration?
diaphragm
What does a tendon connect ?
Muscle and Bone
What organ Filters out microorganisms and waste products from blood
the spleen
Right Atrium
The process of changing food into a usable substance is called
Digestion
What is the name of the flap that closes when food or water is swallowed.
epiglottis
What are the main 3 functions of muscles?
Produce heat, movement, and maintain posture
What is the only part of the lymphatic system that can be seen by the naked eye ?
Tonsils
Where does the blood flow to after the Left Ventricle
What is the entire digestive tract called?
The Alimentary Canal
What is exhaled as a gaseous waste with expiration/exhalation?
What is the name of theory in which actin and myosin filaments slide across one another to create a muscle contraction?
Sliding Filament Theory
What does the lymphatic system filter out?
Organisms causing diseases
Where does the blood flow from after the lungs
pulmonary Veins
What are the two main functions of the digestive system?
Digestion and absorption
Warming and moistening of inhaled air before it goes into the lungs happens where?
the paranasal