Quiz #2

Question 1

True or False

About 98% of the human body is composed of only six elements: oxygen, hydrogen, nitrogen, calcium, and phosphorous.

Answer 1

True

Question 2

The respiratory system is responsible for _____.

Answer 2

Supplying oxygen to the body, eliminating carbon dioxide in the body and helps regulate the body’s pH balance

Question 3

The circulatory system consists of _____.

Answer 3

Heart, arteries and veins

Question 4

The nervous system is made up of the _____ and ____.

Answer 4

Central Nervous System(CNS)

Peripheral Nervous System(PNS)

Question 5

True or False

Excretion is one function of the digestive system.

Answer 5

True

Question 6

Hormones are classified as ____, _____ and ____.

Answer 6

Steroids, peptides, amino acid derivatives

Question 7

True or False

Hemoglobin is an oxygen-transporting protein in red blood cells

Answer 7

True

Question 8

The main purpose of hormones is to ______.

Answer 8

Alter the rate of synthesis of your cellular protein, change the rate of enzyme activity, and change the rate of transport of nutrients through the cell wall