Final answer:
The yang channels of the hand meet the yang channels of the feet at the palmar arches of the hand and the dorsal venous arch of the foot.
Step-by-step explanation:
The yang channels of the hand meet the yang channels of the feet at the point where the digit veins drain into the palmar arches of the hand and the dorsal venous arch of the foot. The digital veins help to supply blood to the fingers and toes, and they connect the hand and foot through these arches. These digit veins play a pivotal role in facilitating blood supply to the intricate network of fingers and toes, thereby establishing a vital connection between the upper extremities and lower extremities through the intricate vascular architecture formed by these arches. This intricate interplay of vessels not only underscores the physiological unity between the hand and foot but also emphasizes their collaborative role in maintaining overall circulatory harmony within the human body.