- The first segment of the small intestine where most of digestion and absorption take place isthe ________
- ________ organs are part of the digestive system but not part of thedigestive tract.
- How many lobes does the liver have?
- The feces are temporarily stored in the _-------
- -------- or swallowing moves food from the pharynx to the esophagus
- The esophagus moves food toward the stomach by wave-like motions of alternating contraction and relaxation of muscles called
- ______ are the thick accordion-like folds that allow the stomach to expand.
- The unpleasant sensation caused by gastric distention or irritation and which often precedesvomiting is called ___
- digestion breaks food down into smaller pieces by physical
- The tongue does not have a rich blood supply.(t/f)
- __________ is the highly acidic paste-like mixture of partially digested food and gastric secretions that enters the duodenum.
- The autonomic nervous system consists of neurons that conduct impulses from the central nervous system to
- Glia cells that act as microbe-eating cells are the
- The coordination of muscle movement and the maintenance of equilibrium occur in the
- The two types of cells found in the nervous system are
- Some of the neurons in this structure function as endocrine glands
- Which nervous system dominates the control of effector organs under normal, everyday conditions?
- The regulation of the sleep cycle, water balance, and the production of antidiuretic hormone (ADH) occurs in the
- The nervous system and this are the two body-wide communication systems
- When the nerve impulse encounters a myelin-covered section of neuron