3 Systems Flashcards
Platelets
Involve with clotting blood
White blood cells
Leukocytes
An immune system that fights infections
Red blood cells
Erythrocytes Carries oxygen (hemoglobin) and has no nucleus
Artery
Muscular and high pressure
Carries oxygenated blood away from the heart and to the body
Veins
Low pressure
Carries deoxygenated blood to the heart.
Valves
Stop backflow
Lungs
Remove carbon dioxide from blood and adds oxygen
Esophagus
Part of the digestive system.
A tube connecting the mouth and pharynx with the stomach
Small intestines
Part of the digestive system.
In between the stomach and large intestine, where the digestion of food and absorption of nutrients such as glucose and water
Oral cavity
Where food enters and get broken down.
Stomach
Stores food and mixes it with gastric acid
Large intestine
Absorbs water, vitamins and minerals from undigested food. Has an appendix at the beginning of the large intestine
What do gastric juice contain
Mucus, Hydrochloric acid and digestive enzymes
Mucus
Protect stomach cells from acid and digestive enzymes
Hydrochloride acid
Kills bacteria, protecting the stomach from infections
Digestive enzymes
Found in gastric juice is pepsin
Pepsin
Breaks down protein in food into amino acids
Inspiration
Air rushing into the lungs
Expiration
Air forced out of the lungs