Theories About the Causes of Aging Include

question 8

Multiple Choice

Theories about the causes of aging include:

• A) apoptosis.
• B) wear and tear.
• C) altered protein (amyloid) accumulation.
• D) All the above

---

Definitions:

Common Iliac Artery

A large artery that bifurcates from the abdominal aorta and supplies blood to the pelvic region and lower limbs.

Internal Iliac Arteries

Branches of the common iliac arteries that supply blood to the pelvic organs, gluteal region, and perineum.

External Iliac Arteries

Major arteries located in the pelvic region, supplying blood to the lower limbs; each extends from the common iliac artery to become the femoral artery in the thigh.

Pulmonary Trunk

A major vessel that emerges from the right ventricle of the heart and bifurcates into the right and left pulmonary arteries, which carry blood to the lungs.