Life Science Test Ch.6-10 Part 1

Which element do humans exhale the exact same amount as we inhale?

• oxygen

• carbon dioxide

• nitrogen

• carbon

Where does the carbon dioxide come from that we exhale?

• It is a waste product of our cells

• its the exact amount that we inhale

• it is the waste product of our lungs

• It is the extra energy we do not need and can not store.

Tags

NGSS.MS-LS1-3

Inhaling oxygen and delivering it to the circulatory system and then taking carbon dioxide from the circulatroy system back through the same path to exhale is an example of a ____________.

• one way system

• open system

• diverse system

• two way system

Humans do exhale some oxygen?

• True

• False

A(n) ________ alerts yo to a substance being present.

• Chemical reaction

• indicator

• carbon dioxide

• solution

A cell needs__________and _________ in order to make energy.

• Cardon dioxide and oxygen

• oxygen and an indicator

• food molecules and cardon dioxide

• food molecules and oxygen

Tags

NGSS.MS-LS1-2

Which one is an example of homeostasis?

• a human body shivering when it is cold

• Pine needles having a thick, wax covering to prevent water lost

• A dog panting when it is hot

• all of the above

Tags

NGSS.MS-LS1-3

What needs to happen in order for a cell to make energy?

• food molecules need to be delivered to the cell

• oxygen needs to be delivered to the cell

• A chemical reaction would take place in the cell

• All of the above

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

Oxygen is delivered to the cell by----------

• red blood cells

• white blood cells

• plasma

• the digestive system

What are the two main jobs of the skeletal system?

• protect organs and connect to muscles

• Protect organs and move blood

• protect organs and give structure

• give structure and move blood