Question

question 2
1 pts
the movement of lymph through lymphatic vessels is caused largely by
osmotic pressure.
blood pressure.
muscular activity.
activity of the lymphatic heart.

Explanation:

Lymphatic vessels do not have a pump like the heart for blood circulation. Osmotic pressure mainly relates to fluid movement across membranes (e.g., in cells). Blood pressure is specific to blood vessels. Muscular activity (contraction and relaxation of muscles) helps push lymph through lymphatic vessels as there is no dedicated lymphatic heart in humans (some lower - vertebrates have lymphatic hearts, but not relevant here).

Answer:

muscular activity.