Exam 22: Organization of the Body

George is a 10-year-old new patient who was brought to the office by his father because George's teacher noted that George may have a hearing impairment. While taking George's history, you note that he has a rather flat face with slanting eyes, and his tongue protrudes slightly. He appears to have poor muscle tone, and when you ask him a question, his father answers for him. Although his father has not indicated that George suffers from any particular disorder, from your observations you may suspect that George has ____.

The simplest units of all matter are ________, and many of these are essential to life.

The ____ is a word part at the beginning of a medical term that alters the meaning of the word root.

The ________ is the muscle that separates the thoracic and abdominopelvic cavities.

Traits that are carried on the sex chromosomes are called ________ traits.

Sometimes when DNA is duplicated, errors called ________ occur that will be passed on to the descendants (daughter cells) of that cell and may or may not affect the cells in harmful ways.

In ________, substances move across a cell membrane with the help of carrier molecules.

In water, ____ release hydrogen ions.

In ____, some type of pressure forces substances across a membrane.

____ release hydroxyl ions in water.

The movement of a substance from an area of high concentration to an area of low concentration is ________.

In ________, some type of pressure, such as gravity or blood pressure, forces substances across a membrane that acts like a filter.

The knees are positioned ____ to the hips.

The second stage of mitosis is ________. During this stage, the chromosomes line up in the middle of the cell between the centrioles on spindle fibers.

The pelvic cavity contains the ____.

The heart and blood vessels unite to form the ________ system.

If a gland secretes its product into a duct, such as with a sweat or sebaceous gland, it is called a(n) ________ gland.

Cells reproduce by cell division, a process that involves splitting the nucleus through mitosis or meiosis, and ________, or splitting the cytoplasm.

A(n) ________ plane divides the body into left and right portions.

The ________ is the part of a cell that contains DNA.