Blood that has been depleted of oxygen, such as that found in the veins, absorbs infrared light, while bone, muscle and other tissues scatter or are transparent to infrared light.
(Blood; has been depleted; ) (that; found; L:in the veins) (Blood that has been depleted of oxygen, such as that; absorbs; infrared light) (bone, muscle and other tissues; scatter; ) (bone, muscle and other tissues; are; transparent to infrared light)
Blood that Blood that has been depleted of oxygen, such as that bone, muscle and other tissues bone, muscle and other tissues
has been depleted found absorbs scatter are
L:in the veins
infrared light
transparent to infrared light