Digestive System
this cavity chews the food and starts digestion
What is the mouth?
the first digestive enzyme in the mouth breaking down food into sugar
What is saliva?
bean-shaped organs that act as filters
What are kidneys?
the name of the system to protect the body from disease
What is the lymphatic system?
this part of the skeleton has 80 bones of head, spine, and ribs
What is axial skeleton?
the path food follows in the digestive system
What is the alimentary canal?
a muscular organ that acts as food storage and mixing
What is the stomach?
tubes that connect the kidneys to the bladder
What are ureters?
the largest lymphatic organ
What is the spleen?
place where two or more bones meet
What is a joint?
the involuntary contraction in the esophagus pushing food down
What is peristalsis?
the second portion of the small intestine
What is the jejunum?
urine is eliminated through this canal
What is the urethra?
these blood cells repel invaders
What are white blood cells?
connects bones to other bones
What are ligaments?
the first of 3 divisions in the small intestine
What is the duodenum?
the body's largest internal organ
What is t the liver?
another name for a system that removes wastes
What is the excretory system?
lymphatic organ located behind the breastbone
What is the thymus?
muscles in which you do not have to think about moving
What are involuntary muscles?
hair-like tubes on the inside of the intestine
What are villi?
sac-like organ to store bile
What is the gallbladder?
the organ where urine is stored
What is the bladder?
This WBC launches an initial attack against pathogens
What are neutrophils?
these muscles attach bones to the skeleton
What are skeletal muscles?