Levels of Organization
The smallest unit of life
Cell
This organ pumps blood throughout the body.
Heart
Term meaning closer to the head.
Superior
Cells are able to transport materials from one region of the cell to another
Movement
Which organ acts as the main control center for homeostasis in the human body|?
Hypothalamus
Tissues are made up of these.
Cells
This system uses electrical impulses to control actions.
Nervous System
Term meaning closer to the feet.
Inferior
This is the body’s ability to detect and respond to changes.
Responsiveness
When overheated, this system activates sweat glands.
Integumentary system
A structure made up of two or more types of tissues
Organ
These organs filter blood to make urine.
Kidneys
What is the relationship between the knee and the foot?
The knee is proximal to the foot.
This is the increase in body size that results from an increase in the size of existing cells, an increase in the number of cells, or both.
Growth
When you run in hot weather, you start sweating. Which feedback mechanism is this an example of?
Negative feedback
This is the level that coordinates multiple organs
Organ System
Which system of the body is responsible for elimination of wastes and regulating the volume and composition of the blood, including production of red blood cells?
Urinary System
Which pair of terms could be used to describe the location of the nose when compared to the location of the eyes?
Medial and inferior
This refers to the formation of new cells for tissue growth, repair, or replacement, or the production of a new individual meaning producing babies.
Reproduction
Normal resting human body temperature in °C
37 °C
This is the highest level of organization
Organism
This system protects against pathogens (includes lymph nodes, spleen)
Immune (lymphatic) system
After working a 12 hour shift at the hospital Louisa comes home and lies down on her bed. She is lying on her back looking up at the ceiling with her head resting on her arms. What is her body position?
Supine
The development of specialized cells from unspecialized stem cells is a description of which of the following basic life processes?
Differentiation
After a breakup, your heart races, palms sweat, and appetite changes. Which body systems are mainly working together to maintain homeostasis?
Nervous system and endocrine system