Exam 3 Flashcards
The wave-like contractions of the muscle that move food throughout the digestive system are called?
Peristalsis
what does bile do?
Break down globules of fat into tiny droplets
The villi of the small intestine allow for an increase in the rate of?
Nutrient absorption
Digestion is completed in the?
Small intestine
The semisolid mixture of food, acid, and enzymes in the stomach is known as
Chyme
When digestive enzyme eat through a part of the stomach lining it produces an
Ulcer
What are the ventricles
The chambers of the heart that pump blood to the lungs and rest of the body
What are the vessels that carry deoxygenated blood
The pulmonary arteries
Blood entering the right atrium
Is full of oxygen
The iron containing molecule in rbc is called
Hemoglobin
During swallowing the air passage of the pharynx is covered by?
the epiglottis
Alveoli in the lungs are connected to the bronchi by a network of tiny tubes called
Venules
The actual exchange of gases occurs at the site of the?
Alveoli
What does the automatic nervous system controls?
Voluntary movement
The fight-or-flight response involves activity of
All the above( autonomic, symptomatic and peripheral nervous system)
Sensory receptors essential for balance are located in the
Semicircular Canals
Which of organ is most important for mechanical digestion
Mouth
The upper chamber of the heart are the?
Atria
Oxygen moves out of the alveolus into the blood by
Diffusion
In the knee-jerk reflex, tapping the knee is the
Stimulus
Which of the following is usually not considered a nutrient but essential part of the diet
Water
Complex carbohydrates and sugars are best provided by foods in what group?
Bread and cereal group
Contractions of muscle in the stomach walll?
Cause churning which aids the mixing of food with enzymes
Excertion in the skin occurs in the form of
Perspiration
