The subclavian artery is renamed as axillary artery after it passes over the lateral border of the first rib.
<h3>What is axillary artery?</h3>
- The subclavian artery continues as the axillary artery at the lateral aspect of the first rib, serving as the primary artery of the upper extremity.
- The artery has three sections based on its proximity to the pectoralis minor muscle, each of which has six major branches.
- A sizable muscle vessel that passes through the axilla is called the axillary artery.
- It is in charge of delivering oxygen-rich blood to the upper limb as well as to a portion of the scapula's and upper lateral thorax's musculocutaneous system.
- As a result, two primary arteries rather than one supplied the upper limb's axillary region in particular with arterial blood on both sides.
- These two arteries may be lingering branches of the capillary plexus of the growing limb buds because they came from the first portion of the axillary artery.
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Answer:
A. Galaxies
Explanation:
Galaxy cluster is known to contains 50 to 1000 galaxies, having a total mass between 100 trillion and 1 quadrillion solar masses, crossing across a distance of 30 million light years.
The word galaxy is derived from the Greek galaxias which means milky, a reference to the Milky Way. Galaxies range in size from the smallest of it with just a few hundred million stars to giants with one hundred trillion stars, with each rotating/orbiting its galaxy's center of mass.
