Human Anatomy and Physiology Concepts

An investigator who conducts an experiment to determine how temperature changes affect the rate at which the heart beats is most likely a(an)

• anatomist.

• physiologist.

• chemist.

• biochemist.

Tags

NGSS.HS-LS1-3

The topics of human anatomy and physiology are difficult to separate because the structures of the body parts are closely related to their

• chemicals

• function

• forces

• water

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4

Which of the following lists illustrates the idea of increasing levels of organization?

• Organelles, cells, tissues, organs, organ systems

• 
  Tissues, cells, organs, organelles, organ systems

• Organs, organelles, organ systems, cells, tissues

• cell, atom, organelle, molecule, macromolecule

• cell, molecule, organelle, atom, macromolecule

Which of the following includes all the others?

• excretion

• digestion

• respiration

• metabolism

• absorption

Homeostasis refers to

• changing external
  conditions.

• stable external
  conditions.

• changing internal
  conditions.

• maintaining
  internal conditions.

• all of the
  above.

Tags

NGSS.HS-LS1-3

Homeostatic mechanisms do not include

• receptors.

• 
  positive
  feedback.

• effectors.

• a set point.

• negative
  feedback.

Tags

NGSS.HS-LS1-3

Which of the following examples illustrates a homeostatic mechanism?

• shivering in
  response to a drop in body temperature

• increasing body
  temperature during exercise

• decreasing body
  temperature during prolonged exposure to cold conditions

• dehydration from
  lack of water intake

• frostbite on exposure to cold

The diaphragm separates the thoracic and the abdominopelvic cavities.

• True

• False

The mediastinum separates

• the thoracic
  cavity from the abdominal cavity.

• the thoracic
  cavity into right and left parts.

• the thoracic
  cavity from the pelvic cavity.

• the abdominal
  cavity from the pelvic cavity.

• the abdominal
  cavity into right and left parts.

Which of the following best describes the smaller cavities in the head?

• the paranasal
  sinuses

• the oral
  cavity

• the nasal
  cavity

• the middle ear
  cavities

• all of the above