unit 1

The process in which the body senses an internal change and activates mechanisms that reverse that change is a_________

Term for the body's ability to maintain relatively stable internal conditions despite outside conditions

Procedure for taking ultrasounds of the heart is called an electrocardiography (ECG or EKG)

Serous membrane that lines the surface of the heart (also called the epicardium)

This body cavity is totally surrounded by bone and provides very good protection to the structures it contains

Regulatory mechanisms mediated by the nervous and endocrine system which handle changes throughout the body.

The two regulatory systems in the human body include the

The ___________________ level consists of cells, which are the fundamental functional unit of life

Type of study where subjects do not know whether they are receiving the treatment or the placebo.

These make up 99% of our body weight

The correct order of the levels of organization is

Term for the type of receptors that the hypothalamus receives temperature input from the skin.

X-ray source arcs around the body, producing a cross-sectional picture.

A _________ is a sensor that monitors and detects changes in a condition.

System that functions in hemopoiesis and mineral storage

Term for two or more atoms held together by covalent bonds.

Sends information to a control center via a nerve impulse or chemical signal

Sets the range of values at which the condition should be maintained and determines the appropriate response

Name two subdivisions of the dorsal cavity?

Structure that receives and processes the information supplied by the receptor

The study of structures and the relationships among structures is called Anatomy

2 types of tissues make up the tissue level

Serous membranes are classified based on their location. __________________ serous membranes line the cavity walls

The process whereby unspecialized cells become specialized cells is ____

Cell or organ that receives output from the control center and produces a response.

The functional components of cells such as the nucleus and mitochondria are known as ______________

Changes from the normal point and amplifies it, this system only stops when the stimulus is gone

The ____ is the variable that is controlled by the experimenter, it is the variable that is altered or removed.

Name the specific organ that is studied by administration of a radioactive iodine uptake test (RAI)

The term that indicates all chemical reactions occurring in the body

Name the body system that functions to return "leaked" fluids back to the blood stream

Serous membranes are classified based on their location. ____serous membranes cover the surfaces of organs

What part of the brain regulates body temperature?

When temperature decreases below the hypothalamic set point the hypothalamus activates _______of cutaneous blood vessels

Baroreceptors are specialized sensory neurons in the walls of the femoral and the calcaneal sinuses.

This level of organization includes molecules and atoms

Which body system functions to kill pathogens that have invaded the body.

Fever producing substance is known as a

Term for when body temperature rises above homeostatic range causing enzymatic proteins to stop functioning

It is an ill effect caused by the suggestion or belief that something is harmful.

The study of how the body parts function and why they do so is called?

_________ control is where the regulatory mechanisms are “built-in” with-in the organs and provide immediate response

Baroreceptors send information to what part of the brain?

Condition in which there is distention of the peritoneal cavity due to accumulation of several liters of serous fluid

Properties that a complex system has, but the individual parts or members do not have is called a/an