Welcome to Earth & Space Science — Unit test

Question 1

The body obtains sugar from food. Which system most directly affects blood sugar levels?

Revolt · Accepted Answer

digestive

Question 2

Which organ systems work together to help the body shiver in order to maintain homeostasis?

Revolt · Accepted Answer

nervous and muscular

Question 3

In the heart, one ventricle pushes blood with oxygen to the cells of the body. Where does the other ventricle push the blood without oxygen?

Revolt · Accepted Answer

to the lungs

Question 4

The brain and spinal cord work together so the body can receive signals and react to the environment. What is the spinal cord?

Revolt · Accepted Answer

an organ

Question 5

Which is the last section of the digestive system?

Revolt · Accepted Answer

rectum

Question 6

sugarurinebloodsaliva

Revolt · Accepted Answer

urine

Question 7

Which action is a physical change in digestion?

Revolt · Accepted Answer

mashing food with teeth

Question 8

During digestion, water is both added and removed. Which area of the digestive system removes water?

Revolt · Accepted Answer

large intestine

Question 9

Which level of organization falls directly after the tissue level when listed in order from least to most complex?

Revolt · Accepted Answer

organ

Question 10

The picture represents a structure of the respiratory system.

Revolt · Accepted Answer

to exchange oxygen with carbon dioxide

Welcome to Earth & Space Science — Unit test Answers