The Lymphatic System

MCAT Basics (from MedSchoolCoach)

MedSchoolCoach

Science

4.6 • 612 Ratings

🗓️ 12 June 2025

⏱️ 32 minutes

🔗️ Recording | iTunes | RSS

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Summary

In this episode, we focus on the lymphatic system, a crucial topic for the Bio/Biochem section of the MCAT. We'll cover the structure of the lymphatic system, including lymphatic vessels, lymph nodes, and major organs such as the bone marrow and thymus. You'll also learn about the system’s primary functions: returning fluid to the blood, supporting the immune system, and absorbing fats and fat-soluble nutrients.

Hosts Sam Smith and Alex Starks break down how the lymphatic system plays a vital role in immunity, nutrient absorption, and fluid balance. By the end of this episode, you'll gain a deeper understanding of the lymphatic system's anatomy and physiology, helping you prepare for MCAT-related questions.

Visit MedSchoolCoach.com for more help with the MCAT.

Jump into the conversation:

(00:00) Intro: Med School Coach MCAT Tutoring Promotion

(01:01) Episode Introduction: Lymphatic System Overview

(01:07) Co-Host Introduction: Sam Smith and Alex Starks

(01:19) Episode Outline: Structure and Functions of the Lymphatic System

(02:39) Structure of the Lymphatic System: Vessels, Nodes, and Organs

(04:06) Lymph: Composition and Role in the Body

(04:44) Lymphatic Vessels and Their Role in Transport

(06:50) Primary and Secondary Lymphoid Organs: Bone Marrow, Thymus, and Lymph Nodes

(09:10) Bone Marrow and B-Cell Maturation

(09:45) Thymus and T-Cell Maturation

Transcript

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0:00.0	Welcome to MCAT Basics, your ultimate guide to the essential topics you need to master for the MCAT,
0:08.0	brought to you by the physicians at med school coach.
0:11.0	Every week, Sam Smith breaks down high-yield MCAT topics, ensuring you're primed for success on test day.
0:17.0	Join Sam as we explore the most crucial subjects outlined by the AAMC, pulled from official
0:22.4	practice materials and third-party resources. Get ready to elevate your MCAT game with topics
0:27.5	tailored to maximize your score potential. Welcome to MCAT basics. I'm Sam Smith. I'm Alex Sarks.
0:33.8	This episode covers the lymphatic system. We're first going to talk about the structure of the lymphatic system and then delve
0:39.3	into its major functions.
0:41.2	This material will show up on only one of the four sections, that being the bio and
0:44.6	biochem section.
0:45.7	So with that said, I hope you find this podcast helpful in your studies and good luck to those
0:49.8	of you who are taking the MCAT soon.
0:52.1	So you guys may have noticed there that we had another voice kind of recording that
0:57.3	intro.
0:57.9	That is Alex Starks.
0:59.2	He's going to be taking over the podcast coming up, I guess, in the next few weeks
1:03.8	as I am leaving to join a med school and kind of move on from the podcast.
1:09.3	So Alex, you know, first of all, thanks for for doing this
1:12.5	and maybe just tell the audience a little bit about yourself. Yeah. Well, I'm super, thanks, Sam.
1:17.4	I'm super excited about the opportunity of taking over the podcast. And of course, my hope is to
1:23.2	continue to deliver the quality content that you've been delivering over the past couple years.
1:29.9	So a bit about myself. I am the associate director of MCAT with med school coach, the sponsor of the
	...

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