मानव शरीर के किस अंग में लिम्फोसाइट कोशिकाओं का मुख्य रूप से निर्माण होता है?

Contaminated food and water frequently carry pathogens responsible for gastrointestinal infections. Which organ system is primarily affected by these infections?

The scientific study of the measurements and proportions of the human body is known as: