This plane divides the body into anterior and posterior.
What is the frontal plane?
100
This subatomic particle carries a positive charge and weighs approximately 1 atomic mass unit.
What is a proton?
100
This organelle is considered the powerhouse of the cell.
What is mitochondria?
100
This layer of the skin holds nerve endings, hair follicles and oil glands and gives us our fingerprints.
What is the dermis?
100
This one of five functions of the skeletal system is another word for blood formation.
What is hematopoesis?
200
This directional term means "closer to the trunk".
What is proximal?
200
The addition of these two subatomic particles equals an atoms atomic mass.
What is protons plus neutrons?
200
A cell in the digestive system might contain a larger number of this particular organelle compared to other cells in other systems.
What is a lysosome?
200
This type of epithelial membrane lines body surfaces such as the mouth and nose.
What is the mucous membrane?
200
This part of a long bone is where red bone marrow is housed for blood cell formation.
What is the epiphysis?
300
This term is used to describe the relative constancy of the body's internal environment.
What is homeostasis?
300
This type of chemical bond occurs when 2 atoms share ions to fill their outer orbitals.
What is a covalent bond?
300
These tightly coiled structures in the nucleus contain the "blueprints" or the "cookbook" for each cell in the body.
What are chromosomes?
300
This type of sensory receptor found in the dermal layer detects pressure.
What is a Pacini corpuscle?
300
This type of bone when looked at under a microscope, appears to be arranged in layers or rings called concentric lamella. The blood supply is through a central osteon.
What is compact bone?
400
This region of the body is made up of the upper and lower extremities.
What is the appendicular region?
400
This reaction occurs when water is added to a large molecule to break it into smaller molecules.
What is hydrolysis?
400
This genetic process involves the making of proteins using information from mRNA.
What is translation?
400
This function of the integumentary system regulates sweat secretion and the flow of blood to the body's surface.
What is temperature regulation?
400
This bone is the one bone of the upper arm (also what a comedian is).
What is the humerus?
500
This type of feedback loop is triggered when the body's internal environment moves away from normal. It helps to return the body to normal resting values.
What is the negative feedback loop?
500
This substance shifts the H+/OH- balance toward hydrogen and carries a pH below 7.
What is an acid?
500
This method of transport across a cell's membrane uses energy and must work against the concentration gradient.
What is active transport?
500
This classification of burns involves complete destruction of the epidermis and partial destruction of the dermis.
What is a second-degree burn?
500
This type of joint is the most freely moveable joint. Examples of it are the hip and the shoulder.