| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.32 |
| Score | 0% | 66% |
Blood pressure is generally highest in which of the following?
capillaries |
|
arteries |
|
veins |
|
heart |
Arteries are thick-walled because they carry oxygenated blood at high pressure, veins are comparatively thin-walled as they carry low-pressure deoxygenated blood.
The brain and spinal cord make up the __________ nervous system.
somatic |
|
peripheral |
|
central |
|
autonomic |
The nervous system consists of the brain and spinal cord (central nervous system) and the peripheral nervous system which is the network of nerve cells (neurons) that collect and distribute signals from the central nervous system throughout the body.
As part of digestion, the liver produces bile which breaks down:
fat |
|
starches |
|
sugars |
|
protein |
The liver produces bile which emulsifies (separates) fat.
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
medulla |
|
cerebellum |
|
cerebrum |
|
brainstem |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).
Regulation of heart rhythm occurs in:
nerves |
|
cerebrum |
|
medulla |
|
cerebellum |
Part of the brainstem, the medulla is the connection between the brain and the spinal cord. It controls involuntary actions like breathing, swallowing, and heartbeat.