1
What does the circulatory system move around the body?
Blood
Your nose is part of which body system?
respiratory
Mass and gravity are responsible for ______.
a. volume
b. weight
c. color
d. size
b. weight
True or false? Objects with more mass have more weight.
True
What is the formula for calculating speed?
distance/time
Your trachea is part of which body system?
respiratory
The heart acts as a _____ to move blood around the body.
a. vacuum
b. pump
c. hammer
d. fan
b. pump
Which of the following is NOT a major organ in the circulatory system?
a. heart
b. lungs
c. blood
d. blood vessels
b. lungs
Which of the following transfer heat by touching?
a. convection
b. radiation
c. conduction
d. a microwave
c. conduction
What is the name for the smallest blood vessels?
a. veins
b. arteries
c. tubes
d. capillaries
d. capillaries
a. digestive
b. respiratory
c. excretory
d. circulatory
d. circulatory
What muscle in the respiratory system helps your lungs take in oxygen and expel carbon dioxide?
a. diaphragm
b. trachea
c. nose
d. heart
a. diaphragm
Which system carries oxygen from the lungs to other cells in the body and removes carbon dioxide?
a. circulatory system
b. digestive system
c. respiratory system
d. excretory system
a. circulatory system
Blood contains fluid and red blood cells that carry oxygen, ______, and waste.
a. bubbles
b. water
c. nutrients
d. salt
c. nutrients
The lungs take in _____ to give your body energy.
oxygen
What is anything that has mass and takes up space?
matter
How do animals such as bears, dogs, and cats obtain oxygen from their environment?
a. skin
b. gills
c. heart
d. lungs
d. lungs
What contains fluid and red blood cells that carry oxygen, nutrients, and waste?
a. bones
b. sweat
c. blood
d. saliva
c. blood
The lungs expel ________ , which is a waste product of the body.
a. oxygen
b. carbon dioxide
c. helium
d. water
b. carbon dioxide
Which direction does heat flow?
Hot to cold
Which two systems work together to transport nutrients to the body?
a. circulatory and respiratory
b. muscular and digestive
c. digestive and circulatory
d. respiratory and muscular
c. digestive and circulatory
If an object goes from Earth to outer space, which of the following properties would change?
a. density
b. mass
c. volume
d. weight
The lungs expel ________ , which is a waste product of the body.
a. oxygen
b. carbon dioxide
c. helium
d. water
b. carbon dioxide
What organ does the circulatory system carry oxygen from to carry to other cells in the body?
a. kidneys
b. intestines
c. lungs
d. skin
c. lungs
The human body is made up of systems, _____, tissues, and cells.
organs