The heart has four; the right atrium, left atrium, right ventricle, and left ventricle
What is a chamber?
A part of the blood that fights pathogens (bacteria and viruses) to help keep us healthy
What are White Blood Cells?
The muscle at the bottom of the rib cage that controls breathing
What is the Diaphragm?
A muscular tube that moves food to the stomach by peristalsis
What is the Esophagus?
The process of excreting a solid, liquid, or gas using the skin, lungs, and kidneys
What is excretion?
Blood vessels that carry blood towards from the heart
What are veins?
Irregularly shaped cell fragments that help blood clot
What are Platelets?
A small flap of tissue that folds over the trachea to prevent food from entering
What is the Epiglottis?
A substance, produced in the Liver and stored in the Gallbladder, that helps in chemical digestion
What is Bile?
What are the Ureters?
Microscopic blood vessels that connect arteries and veins
What are capillaries?
There are 4 of these including A, B, AB, and O.
What are blood types?
Tiny, grape-like sacs of tissue specialized for the movement of gas molecules between air and blood
What are the Alevoli?
An organ that absorbs water from undigested chyme and returns it to the bloodstream leaving the remaining material to be excreted from the body
What is the Large Intestine?
Microscopic filters in the kidneys that absorb urea from the blood so it can be excreted as urine
What are nephrons?
A group of cells that send out signals causing the heart to contract (beat)
What is a pacemaker?
The universal donor blood type
What is type O?
A muscle that holds the vocal cords
What is the Larynx?
The act of chemically breaking down food using saliva, stomach acid, and enzymes
What is Chemical Digestion?
An organ that excretes water and salt thorough sweat
What is the skin?
The largest blood vessel in the body which takes blood away from the heart to the rest of the body
What is the Aorta?
Spots where lymph is filtered and waste is trapped and returned to the blood stream
What are Lymph Nodes?
The chemical reaction utilized by cells by taking in oxygen and removing carbon dioxide (and water)
What is Respiration?
The action of involuntary muscles moving in waves to move food throughout the digestive tract
What is Peristalsis?
What is urea?