Which of the following Cannot be absorbed directly into the blood?
Which of the following Cannot be absorbed directly into the blood?
Fatty acids and glycerol being insoluble, cannot be absorbed into the. blood.
Which absorptive process in the small intestine requires a carrier and energy to transport nutrients?
I think that passive diffusion is the process in the small intestines that requires a carrier and energy to transport nutrients into absorptive cells. It usually involves the movement if the molecules from a region of high concentration to a region of low concentration through a membrane.
What process pushes food along the GI tract?
Food moves through your GI tract by a process called peristalsis. The large, hollow organs of your GI tract contain a layer of muscle that enables their walls to move. The movement pushes food and liquid through your GI tract and mixes the contents within each organ.
What does epithelial cells do in digestive system?
The epithelial cells of the digestive tract have three main functions: digestion of food and absorption of nutrients, protection against pathogens and continuous cell renewal and cell death which facilitate the elimination of damaged cells.
Which of the following organs is part of the GI tract?
The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus. The liver, pancreas, and gallbladder are the solid organs of the digestive system.
Where does the digestive system transport fat soluble nutrients?
This system never intersects with the bloodstream. c. It is not involved in the transport of nutrients. d. It is important for transporting fat-soluble nutrients. It is important for transporting fat-soluble nutrients. Where does digestion begin? a.
Which is the best description of digestive juices?
A watery mixture of partially digested food released by the stomach into the intestines b. The semisolid mass of undigested food that is swallowed c. The mixture of pancreatic juices containing enzymes for digestion d. A thick, viscous material synthesized by mucosal cells for protection against digestive juices
What are the features of the small intestine?
Small intestine All of the following are features of the epiglottis except which one? a. It covers the opening of the trachea. b. It prevents food from entering the windpipe during swallowing. c. It guides food down the esophagus. d. It is the first GI tract sphincter a. stomach.
What makes fat more available to digestive enzymes?
Sausage, egg, cheese, biscuit, and coffee What substance helps suspend fat in a watery digestive mixture, making fat more available to digestive enzymes? a. Bicarbonate
This system never intersects with the bloodstream. c. It is not involved in the transport of nutrients. d. It is important for transporting fat-soluble nutrients. It is important for transporting fat-soluble nutrients. Where does digestion begin? a.
A watery mixture of partially digested food released by the stomach into the intestines b. The semisolid mass of undigested food that is swallowed c. The mixture of pancreatic juices containing enzymes for digestion d. A thick, viscous material synthesized by mucosal cells for protection against digestive juices
What are the functions of hydrochloric acid in digestion?
Important functions of hydrochloric acid in digestion/absorption include all the following except. it kills bacteria, it activates pancreatic lipase, it activates a proteolytic enzyme, it promotes hydrolysis of dietary protein.
Which is the first blood vessel to receive most recently eaten nutrients?
Tongue d. Esophagus Which large blood vessel is the first to receive most recently eaten nutrients, transporting them to the liver? a. Portal vein b. Mesenteric vein d. Hepatic vein a. kidneys. b. heart. c. liver. d. pancreas.