Organization of the Body

What is the correct order of organization?

• cells->tissue->organs->organ systems-> organism

• tissue->cells->organs->organ systems-> organism

• organs->organ systems-> organism->cells->tissue

Which system takes food into the body, breaks down food, and absorbs the digested materials?

• respiratory
• circulatory
• digestive
• excretory

The "cause" for something to happen is the

• response
• effect
• stimulus
• homeostasis

If the environment gets cold, we will often shiver in order to:

• keep body temperature the same as the external temperature
• decrease body temperature
• increase body temperature
• regulate blood pressure

The "effect" of a given stimulus is the...

• response
• stimulus
• cause
• result

What type of feedback loop is shown?

• Positive
• Neutral
• Negative

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 

• Positive Feedback Response
• Negative Feedback Loop 

The two types of feedback systems that help organisms maintain homeostasis are:

• positive and negative 
• receptor and effector
• static and dynamic
• minor and major

The process of childbirth is an example of:

• negative feedback loop
• positive feedback loop

Humans have ___ for body temperature, blood glucose concentrations, electrolyte concentrations, pH levels, tendon tension and variables.

• positive feedback mechanisms
• set points
• a wide internal range
• no regulation