Circle Terms
Half of the diameter
What is radius
Mostly fluid but contains cells and proteins.
What is Blood
The diameter for this circle is 20yd
What is 62.8yd
True or False:
Platelets manage bleeding by forming blood clots to manage blood loss.
What is True
Find the area of a circle:
Radius: 4cm
What is 50.24cm2
A line segment that passes through the center of a circle and has its endpoints on the circle.
What is the Diameter
Channels that carry blood throughout your body.
What is Blood Vessels
The radius for this circle is 12km
What is 75.36km
True or False:
The heart is the same size for everyone.
What is False
What is the Diameter if the radius is 8in?
What is 16in
Two end points on a circle's circumference.
What is arc
Protect the body from germs and infections.
What is White Blood Cells
The diameter of this circle is 50ft
What is 157ft
The human heart beats _____________ times per day.
What is 100,000
The right side of the heart pumps _____________ blood.
What is Deoxygenated
The total amount of space inside of a circle
What is the area?
The biggest artery in your body
What is Aorta
The radius for this circle is 60mm
What is 376.8mm
True or False:
Blood is blue.
What is False
The heart is divided into 2 distinct and separated parts called
What is deoxygenated and oxygenated
The distance around a circle
What is circumference
The muscle that keeps blood pumping throughout your body.
What is Heart
The radius for this circle is 22cm
What is 138.16cm
The red coloring of blood comes from
What is hemoglobin
Circle Challenge: Finish the answers
Radius: 5mm
Diameter:
Circumference:
Area:
What is Diameter: 10mm
Circumference: 31.4mm
Area: 78.5mm2