Question $1(1$ point$)$

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Which organ system is responsible for processing food used by the body and removing waste from undigested food?

Question $1$ options:

Reproductive system

Digestive system

Respiratory system

Urinary system

Question $2(1$ point$)$

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What is the smallest independently functioning unit of a living organism?

Question $2$ options:

Atom

Element

Organ

Cell

Question $3(1$ point$)$

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Which organ system is responsible for delivering oxygen and nutrients to tissues and equalizing the temperature in the body?

Question $3$ options:

Cardiovascular system

Endocrine system

Respiratory system

Muscular system

Question $4(1$ point$)$

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A group of many similar cells that work together to perform a specific function is referred to as this level of organization.

Question $4$ options:

Tissue

Cellular

Organ

Chemical

Question $5(1$ point$)$

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How many "functions" of human life are there?

Question $5$ options:

$3$

$5$

$6$

$4$

Question $6(1$ point$)$

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Cholesterol is what type of molecule?

Question $6$ options:

Carbohydrate

Prostaglandin

Protein

Steroid

Question $7(1$ point$)$

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A substance formed of crystals of equal numbers of cations and anions held together by ionic bonds is called what?

Question $7$ options:

Dipole

Electrolyte

Noble gas

Salt

Question $8(1$ point$)$

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An atom can have from one to five electron shells. Each shell can hold up to $8$ electrons except for which shell?

Question $8$ options:

First shell

Second shell

Valence shell

The last shell

Question $9(1$ point$)$

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During a party, Eli loses a bet and is forced to drink a bottle of lemon juice. Not long thereafter, he begins complaining of having difficulty breathing, and his friends take him to the local emergency room. His blood pH is $7\mathrm{.}28.$ What does this mean?

Question $9$ options:

Eli's blood is slightly alkaline.

Eli's blood is highly acidic.

Eli's blood is slightly acidic.

Eli's blood is within normal range.

Question $10(1$ point$)$

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Organic molecules are made of repeating units of individual molecules called what?

Question $10$ options:

Carbon Rings

Monomers

Polymers