- (A) Veins
- (B) Arteries
- (C) Capillaries
- (D) All of these
_______ is considered the largest glacier of Pakistan.
March 18, 2026
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- (A) Siachen Glacier
- (B) Tirich Mir Glacier
- (C) Biafo Glacier
- (D) Hispar Glacier
Blood circulates in which parts of the body?
Blood circulates in which parts of the body?
The blood travels through a closed system of vessels that runs throughout the body, taking in oxygen and nutrients and picking up wastes as it goes. The blood vessels are composed of three main types of vessels:
- Arteries: These carry oxygen-rich blood away from the heart to the rest of the body.
- Capillaries: These are tiny, thin-walled vessels where the actual exchange of oxygen, nutrients, and waste products occurs between the blood and body tissues.
- Veins: These carry oxygen-poor blood back toward the heart to be refilled with oxygen in the lungs.
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