handout | The Biology Corner - Free Printable

The image you've provided is a diagram of the human circulatory system, specifically focusing on the arterial system (blood vessels carrying oxygenated blood from the heart to the body). The task appears to be labeling various arteries and major blood vessels based on their anatomical location.

Let’s go through this step-by-step to identify and label each structure correctly. I'll provide the correct names for each blank based on standard human anatomy.

---

Left Side of the Diagram (Left Arteries) – From Top to Bottom:

1. Subclavian artery
- Branches from the aortic arch (left side), supplies blood to the left arm and head.

2. Axillary artery
- Continuation of the subclavian artery, runs through the axilla (armpit).

3. Brachial artery
- Runs down the upper arm; branches into radial and ulnar arteries.

4. Radial artery
- One of the two main arteries in the forearm, runs along the thumb side.

5. Ulnar artery
- Other main artery in the forearm, runs along the little finger side.

6. Deep brachial artery *(already labeled)*

7. Superficial palmar arch *(already labeled as "palmar carpal arch" — possibly mislabeled)*
- Correct name: Superficial palmar arch (formed by the ulnar artery)

8. Dorsal carpal arch *(already labeled)*

9. Palmar arches *(already labeled)*

10. Digital arteries *(already labeled)*

---

Right Side of the Diagram (Right Arteries) – From Top to Bottom:

1. Aortic arch
- Curved part of the aorta that gives rise to the brachiocephalic trunk, left common carotid, and left subclavian arteries.

2. Brachiocephalic trunk
- First branch of the aortic arch; splits into right subclavian and right common carotid arteries.

3. Common carotid artery
- Supplies blood to the head and neck.

4. Internal mammary artery (internal thoracic artery)
- Supplies the anterior chest wall and heart.

5. Superior epigastric artery *(already labeled)*

6. Inferior epigastric artery *(already labeled)*

7. Celiac trunk
- Major branch of the abdominal aorta; supplies stomach, liver, pancreas, spleen.

8. Superior mesenteric artery
- Supplies the small intestine and part of the large intestine.

9. Renal arteries
- Supply the kidneys.

10. Gonadal arteries *(already labeled)*
- Include testicular (male) or ovarian (female) arteries.

11. Inferior mesenteric artery
- Supplies the distal colon and rectum.

12. Common iliac arteries
- Formed by the bifurcation of the abdominal aorta; supply pelvic region.

13. External iliac artery
- Continues into the leg; becomes femoral artery.

14. Internal iliac artery
- Supplies pelvic organs and gluteal muscles.

---

Central Structures (Already Labeled):

- Heart – Central organ
- Pulmonary veins – Carry oxygenated blood from lungs to heart
- Intercostal arteries – Branches of the thoracic aorta supplying intercostal spaces
- Gonadal arteries – Already labeled

---

Final Answer – Labels (Top to Bottom, Left and Right Sides):

#### Left Side (from top to bottom):
1. Subclavian artery
2. Axillary artery
3. Brachial artery
4. Radial artery
5. Ulnar artery
6. Deep brachial artery *(already labeled)*
7. Superficial palmar arch *(corrected from "palmar carpal arch")*
8. Dorsal carpal arch *(already labeled)*
9. Palmar arches *(already labeled)*
10. Digital artery *(already labeled)*

#### Right Side (from top to bottom):
1. Aortic arch
2. Brachiocephalic trunk
3. Common carotid artery
4. Internal thoracic artery (internal mammary artery)
5. Superior epigastric artery *(already labeled)*
6. Inferior epigastric artery *(already labeled)*
7. Celiac trunk
8. Superior mesenteric artery
9. Renal arteries
10. Gonadal arteries *(already labeled)*
11. Inferior mesenteric artery
12. Common iliac arteries
13. External iliac artery
14. Internal iliac artery

---

Explanation:

This diagram illustrates the systemic arterial circulation, showing how blood is distributed from the heart to all parts of the body:
- The aorta arises from the left ventricle and divides into systemic arteries.
- Head and neck: Supplied via common carotid and subclavian arteries.
- Upper limbs: Supplied via subclavian → axillary → brachial → radial/ulnar arteries.
- Thorax and abdomen: Supplied by branches like internal thoracic, intercostal, celiac, superior/inferior mesenteric, renal, gonadal, etc.
- Lower limbs: Supplied via common iliac → external iliac → femoral arteries.

Correct labeling helps understand the pathway of blood flow and is essential in clinical settings (e.g., diagnosing blockages, planning surgeries).

Let me know if you'd like a printable version or need help with venous structures!