| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.40 |
| Score | 0% | 68% |
The __________ nervous system regulates involuntary activity in the heart, stomach, and intestines.
somatic |
|
autonomic |
|
central |
|
peripheral |
Part of the peripheral nervous system, the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.
The gravitational interaction of Earth and the Moon is responsible for which of these?
tides |
|
day and night cycle |
|
the northern lights |
|
seasons |
Tides are caused by the gravitational interaction of Earth and the Moon.
The brain and spinal cord make up the __________ nervous system.
autonomic |
|
somatic |
|
peripheral |
|
central |
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.
In the heart, blood flows from the __________ ventricle to the lungs then back to the heart via the __________ atrium.
left, right |
|
right, left |
|
right, right |
|
left, left |
The two largest veins in the body, the venae cavae, pass blood to the right ventricle which pumps the blood to the lungs through the pulmonary artery. Blood picks up oxygen in the lungs and returns it to the left atrium via the pulmonary vein.
The transfer of heat by the circulation or movement of the heated parts of a liquid or gas is called:
convection |
|
radiation |
|
diffusion |
|
conduction |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas. Examples of heat transfer by convection include water coming to a boil on a stove, ice melting, and steam from a cup of coffee.