Circulatory, Digestive, Respiratory System Crossword

Pumps blood
One of the largest organs in the body
Makes up around 7% of the weight of a human body.
Carrying mainly oxygen-depleted blood towards the heart
A tubular structure carrying blood through the tissues and organs
The final section of the large intestine
The internal organ in which the major part of the digestion of food occurs
Serves as a common passageway for food and air.
Provide a patent airway, to route air and food into the proper chanels, to function in voice production
The hilum of one lung.
The wall of tissue that separates the right side of the heart from the left side of the heart
A group of cells located in the right atrium that sends out signals that make the heart muscle contract and that regulates heart rate.
Tiny blood vessels where substances are exchanged between the blood and the body cells
Stores and concentrates the bile produced in the liver
Produces insulin and glucagon, enzymes and sodium bicarbonate
Process of taking in food
Muscular opening at the end of the rectum
Contains mucus, enzymes, and water; moistens food
Organ in which most chemical digestion takes place
Organ that absorbs water from undigested material
A detergent like complex, reduces surface tension and helps keep the alveoli from collapsing.
Instrument used to measure respiratory volumes and capacities.
Amount of gas reaching the alveoli.
Blood flow reaching the alveoli.
Inadequate O2 delivery to tissues.
Body system that consist of the heart,blood vessels and blood