Chapter 1
The cycle of losing, gaining, losing, and gaining weight.
What is yo-yo dieting?
What is metabolism?
Pigments that give skin its color, located in the lower part of the epidermis.
What is melanin?
Two kinds of cells located in the light-sensitive layer of the retina.
What are rod and cone cells?
The bicycle hand signal where the arm is extended fully outward.
What is a left turn?
Your lowest rate of metabolism while you are at rest.
What is basal metabolism?
Substances that neutralize harmful molecules called free radicals.
What are antioxidants?
A layer of dead cells at the base of the nail.
The second largest part of the brain.
What is the cerebellum?
Water should not be applied to a grease fire, instead use one of these 4 items.
What is a type B fire extinguisher, a lid, salt, or baking soda?
Long chains of amino acids (building blocks).
What are proteins?
Iron and iodine are vitally important but only needed in extremely small quantities so they are called ________.
What are trace elements?
The most complex layer of the skin.
What is the dermis?
The units scientists use to rate the loudness of sounds.
What are decibels (dB)?
What you should wear for most types of hunting.
What is a bright-colored vest or hat?
The tissue surrounding the teeth that fits tightly around each tooth, holding the tooth firmly in place and protecting its roots from decay.
What is gingiva?
The first 10 inches of the small intestine where most chemical digestion takes place.
What is the duodenum?
Exercises that involve little or no outward movement of body parts.
What are isometric exercises?
The part of the body that is responsible for the functions you can control.
What is the somatic nervous system?
Rattlesnake, copperhead, and water moccasin are the only type in North America.
What are pit vipers?
A fetus is the term used to describe a baby from this time until birth.
What is 9 weeks?
The growth hormone that regulates your overall growth rate by stimulating the growth of new tissues.
What is somatotropin?
A protective sheath that encases a bone.
What is the periosteum?
Carry nerve impulses away from the cell body and reside in the brain and spinal cord.
What are axons?
Two liquid chemicals that should never be mixed together.
What are bleach and ammonia?