For a person to make a fist, which of the following must occur?
a. The central nervous system must send a message through the spinal cord and then through the peripheral nerves.
b. The central nervous system must send a message through the spinal cord and then through the autonomic nervous system.
c. The peripheral nervous system must send a message to the brain and then back through the peripheral nervous system.
d. The muscles must signal the brain to send a message through the autonomic nervous system.
Question 2
You are notified that a patient is coming to the first-aid room with bruising to the lumbar area of the back. Based on this statement, you would expect to find bruising in which area?
a. The upper back
b. The neck
c. The lower back
d. The buttocks
Tracheal Tube Respiratory System as diagrammed in a generalized insect
Heat Exchanger Block Diagram Feedback Control System
The respiratory system.
A typical purified water system
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (b)
Curved spines make cocklebur (Xanthium) fruits stick to the fur of animals (and clothing of humans)