100%RATED ANSWERS 2024/2025 LATEST
UPDATED/GET A+
How does Osmosis differ from the process of diffusion? - Osmosis is only concerned with the
movement of water across a membrane.
What is the most common cause of peptic ulcers? - infection with H. pylori
Identify the process that is regarded as absorption. - (not one that involves something being
changed or broken down) Glucose moves into the cells of the small intestine and then into the
blood stream.
Identify the organ that stores bile which is used for the digestion of fat. - gallbladder
What chemical substance helps prepare different parts of the gut for the arrival of food, thus
regulating the rate at which food moves through the digestive tract? - hormones
Which is not one of the three structural features of the small intestine that increase its surface
area? - sphincters; 3 structural features: microvilli, villi, and larger circular folds in the small
intestine wall
Which absorption mechanism(s) require(s) energy? - active transport
During swallowing, the air passages are blocked by a flap of tissue called the pharynx. - false -
the epiglottis
The majority of absorption occurs in the stomach. - false - the small intestine is the main site of
absorption and digestion