Chapter 1
What is the smallest unit of matter?
An Atom
What is the center of the core of an atom called?
Nucleus
Who made the first microscope?
Anton van Leeuwenhoek.
What are the 4 major tissue types?
Epithelial Tissue, Connective Tissue, Muscle Tissue, and Nervous Tissue.
What system cleans the blood of metabolic wastes and regulates electrolyte balance.
Urinary System
What is the Scientific Method?
An organized approach to discover new things
What kinds of molecules that dissociated in water to form individual ions?
Electrolyte
Where foes active transport process only occurs?
In living cells
What is another word for matrix?
Extracellular matrix.
Finish the sentence
The nervous system can generate special electrochemical signals called _____.
nerve impulses
What is the difference between a Law and a Theory?
A law is a hypothesis that is tested and succeeds but gets approved. A theory is a hypothesis that is tested and succeeds but is NOT approved.
What is Hydrolysis?
Chemical reactions in which water is added to the subunits of a large molecule to break it apart into smaller molecules.
What is phagocytosis?
A protective mechanism often used to destroy bacteria
What are the 5 types of Connective Tissue?
Reticular Tissue, Dense Fibrous Tissue, Bone Tissue, Cartilage Tissue, and Blood Tissue.
Name the 6 Major organs in the respiratory system
Nose, Pharynx, Larynx, Trachea, Bronchi, and Lungs
What kind of cut is when the section runs along a lengthwise plane running from front to back?
Sagittal Plane
What are triglycerides made up of?
one glycerol unit and 3 fatty acids
What is mitosis?
process in cell division that distributes identical chromosomes to each new cell formed when the original cell divides.
What is the body fat ration for men and women?
Men: 12% to 18%
Women: 18% to 24%
What system contains lymph nodes, tonsils, thymus gland, and spleen?
Lymphatic System
What is the portion of the body that contains the upper and lower limbs?
The Appendicular portion.
What makes up a nucleotide?
Sugar, Phosphate, and a nitrogen base (adenine, thymine or uracil, guanine, cytosine)
What is Filtration?
movement of water and solutes caused by hydrostatic pressure on one side of membrane.
What is Endocrine?
Glands that release their secretion into the bloodstream.
Where is the pituitary gland, pineal gland, and hypothalamus located?
The skull