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Manisha Rodgers
Anatomy-Week 13 Assignment
| Question | Answer |
|---|---|
| Alveoli: | Tiny air sacs in the lungs where gas exchange occurs between the air and blood |
| The _____ valve separates the left atrium from the left ventricle. | bicuspid (or mitral) |
| What is the function of the sinoatrial (SA) node? | It acts as the heart’s natural pacemaker by initiating the electrical impulses |
| Peristalsis: | Rhythmic, wave-like muscle contractions that move food through the digestive tract |
| The enzyme _____ begins the digestion of carbohydrates in the mouth. | Amylase |
| Which part of the nephron is responsible for filtering blood plasma? | The glomerulus |
| Tidal Volume: | The amount of air inhaled or exhaled during normal, quiet breathing |
| The hormone _____, produced by the pancreas, lowers blood glucose levels. | Insulin |
| What is the role of surfactant in the lungs? | It reduces surface tension, preventing alveolar collapse |
| The loop of Henle is primarily involved in the _____ of water and salts. | reabsorption |
| What blood vessels carry oxygenated blood from the lungs to the heart? | Pulmonary veins |
| The _____ is the site of most nutrient absorption in the digestive tract. | small intestine |
| What is the primary function of the large intestine? | To absorb water and electrolytes and form solid feces. |
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manisha.rodgers
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