Basic unit of structure of all living things
What are cells?
Another name for the cardiovascular system
What is the circulatory system?
Process how food is broken down into molecules
What is digestion?
The immune system’s first line of defense
What is skin?
All blood types can receive this blood type
What is type O?
Combinations of elements
What are biochemicals?
The five main parts of the heart
What are the septum, left and right atrium, left and right ventricle?
Process where nutrients are moved to bloodstream
What is absorption?
Enzyme that kills bacteria
What is lysozyme?
Absorption mostly occurs here
What is the small intestine?
Tissues and organs organized to perform a specific role
What are systems?
The two numbers associated with blood pressure
What are systolic and diastolic?
Wavelike muscle contractions that move food
What is peristalsis?
Three fluids contain lysozyme
What are sweat, tears, and saliva?
The four elements that make up 98% of all biochemicals
What are carbon, hydrogen, nitrogen, and oxygen?
List, in order, the path of blood flow through the heart. (6 steps)
Enters in right atrium, flows to right ventricle, pumped to lungs, enters left atrium, flows to left ventricle, pumped out to aorta
Distinct structure made of two or more tissues
What are organs?
The two circuits of the cardiovascular system
What are pulmonary and systemic?
Flap of cartilage that folds over the windpipe and prevents food from entering lungs
What is the epiglottis?
Small organs that remove dead cells and pathogens
What are lymph nodes?
This produces insulin and enzymes during digestion
What is the pancreas?
Five common features of cells
What are nucleus, membrane, organelles, contain DNA, perform life functions
Two functions of the cardiovascular system
What are carry oxygen and nutrients throughout the body and pick up waste products from cells?
Splits proteins into amino acids
What is pepsin?
The three other organs that make up the lymphatic system
What are the thymus gland, spleen, and tonsils
These are five factors that affect blood pressure
What are flexibility of blood vessels, blood thickness (viscosity), weight, diet, heredity?