Exam 1: Introduction to the Body

Cells are considered to be the smallest living unit of structure and function in the body.

A group of cells working together to perform a specific function is called an organ.

When your body temperature drops below normal, your muscles begin to contract rapidly, making you shiver and generating heat. In this case your muscles are acting as the

The muscular sheet called the diaphragm divides the

The thoracic cavity and the abdominal cavity are separated by a muscle called the diaphragm.

The mediastinum is a subdivision of the abdominal cavity.

The part of the feedback loop that detects a change in the regulated condition is called

The prone position

Anatomy is defined as the study of the structure of an organism.

Because humans walk upright, the term dorsal can be used in place of the term

Level that is the most complex unit within the organism

The formation of a blood clot is an example of a negative feedback loop.

Name and explain the structural levels of organization of the body and give an example of each.

In a feedback loop, the part of the system that detects a change in the controlled condition is called the sensor.

Level that includes atoms and molecules

Anatomical position is the reference position for the directional terms of the body.

A protein molecule is considered to be at the cellular level of organization.

The organ is the highest level of organization in the human body.

A plane dividing the body into front and back portions is a sagittal plane.

Anatomy deals with the study of structure, whereas physiology deals with the study of function.