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_______ is the first branch off the arch of the aorta is the brachiocephalic artery in both the sheep and the human.

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btunie33

Answer:

The first branch of the arch of the aorta is the brachiocephalic artery.

Explanation:

The brachiocephalic artery is the artery that sends blood to the arm and the head. This artery got its name due to the parts it supplies blood to. That is, it supplie blood to the arm. which is 'brachio' and to the head, known as 'cephalic'.

It is known to be the first major vessel to exit the arch of the aorta in both sheep and human.

But, it should be noted that , there is difference in further branching of the brachiocephalic artery and the arch of the aorta in sheep and human. This means that the further branching  are not same in sheep and human.  

Mayg21

Answer: TRUE

Explanation:

Both sheep and humans have similar heart anatomy.

The aorta has 4 parts: the

1. ascending aorta

2. arch of aorta

3. descending (thoracic) aorta

4. abdominal aorta.

The ARCH OF AORTA is a continuation of the ascending aorta and has 3 major branches

1. The brachiocephalic trunk- which is the first branch.

2. The Left common carotid artery

3. The Left subclavian artery

Ver imagen Mayg21

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