How are we organized?
The basic unit of life.
What is a cell?
Phospholipids
What are cell membranes made up of?
A cell membrane is this, because it is a fluid mosaic with proteins, cholesterol and phospholipids floating in aqueous environments and certain molecules can pass through while others cannot.
What is selectively permeable?
Organisms that make their own food are called this.
What is autotroph?
This is the molecule that our cells require to obtain by breathing.
What is oxygen?
Experimentation and Observation
What are 2 ways of doing science?
This is a "steady state" or a state or internal constancy.
What is Homeostasis?
This describes one solution having a higher concentration of solute than a second solution has.
What is a gradient?
Sugars, starch and fiber are examples of this type of Macromolecule.
What is carbohydrate?
This muscle that separates the chest area from the abdomen is crucial in allowing us to breathe in and out.
What is the diaphragm?
Being made up of Atoms, Molecules, Organelles, Cells, Tissues, Organs, and Organ Systems.
What is.....How are living things organized?
Organisms continuously exchange chemicals and energy with the environment which describes an ______ system.
What is open?
This type of membrane transport does not require energy but does require a concentration gradient to move substances.
What is passive transport?
or Simple diffusion?
These molecules act as biological catalyists to speed up chemical reactions and not be consumed.
What are enzymes?
This substance transports gases to and from the lungs.
What is blood?
Organization, energy use, homeostasis, reproduction and evolution are a summary of this.
What are characteristics of life?
Deviations from a set point trigger a _____________ to maintain stability by returning the condition to the set point.
What is negative feedback mechanism?
The diffusion of water across a membrane because of differing solute concentrations describes this process.
What is osmosis?
These are the building blocks of proteins.
What are amino acids?
These heart chambers pump blood out to the lungs and body.
What are ventricles?
A system of knowledge based on facts and evidence and a way of knowing and thinking.
What is science?
The following statement is an example: During childbirth, the stretching of the cervix causes the release of oxytocin, which causes stronger contractions, which further stretches the cervix.
What is positive feedback?
A blood cell in a hypotonic solution will do this.
What is swell? or burst?
These inorganic substances are require by the body for many functions, including building structures and transport.
What are minerals?
This is best described as "a condition with insufficient healthy red blood cells to meet tissue organ needs".
What is anemia?