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How do you diameter of a circle?
You do a diameter circle!!
What part of a diameter is a radius?
It is half of the diameter or radius = diameter/2
A chord of a circle that contains the center of a circle-?
The cord of a circle that contains the center of that circle is a diameter of that circle.
What is external diameter?
The diameter is the measurement of a line that goes right through a circle, through the centre point. In cases where we have a ring or some other such object with multiple circles, we would have an external diameter and an internal diameter. The internal diameter is the diameter of the inner circle. The external diameter is the diameter of the outer circle.
Calculating radius and diameter?
Radius = Diameter/2 Diameter = 2* Radius
Which is smaller veins capillaries or arteries?
arteriols
What are the smaller blood vessels that arteries branch into?
arteriols
What is arteriols?
An arteriole is one of the small branches of an artery, especially one which connects with capillaries.
Where is the iris located?
The iris is the layer that surrounds the pupil and controls the size and diameter of the pupil. It also controls the amount of light that reaches the pupil.
What regulates blood flow to tissue and blood pressure?
Asians help your blood flow everyone knows that
Which blood vessel tunic is composed of smooth muscle and controls the diameter of the vessel?
Tunica interna
Which type of sensory receptor cell detects itch and pain?
the structure of the eye which controls the diameter of the pupil
What are the factors control the caliber of arteriols?
temperature CO2, O2 pH angeotestin epinipherin nor-epinipherin histamin sympathetic and parasympahtetic nerves.
What controls the amount of light that enters the eyes?
The pupil contracts or expands (dilates) to regulate the entry of light to the retina in the eye.The iris or colored part of the eye is what controls the diameter of the pupil by covering or uncovering it.
Why is the medulla important to the body?
The medulla is so important to the body because it controls vital autonomic functions, actions that we can't control. It controls functions such as breathing, heart rate, blood vessel diameter, etc.
What tiny blood vessel connects arteries and veins?
Arteries divide into smaller vessels called Arteriols. Arteriols subdivide into even smaller vessels called capillaries, where oxygen, nutrients, hormones are delivered to the tissues of the body. Waste products are also picked up by capillaries and delivered to venules which grow into larger vessels called veins. Veins deliver deoxygenated blood back to the heart.
What is the part of the brain that controls heartbeat and breathing called?
There are three vital centers in the medulla which control the heartbeat, the rate of breathing, and the diameter of the blood vessels.
