Summary: The body of Christ has many parts but it is still one body. All parts of the body must function in order to have a healthy church body. Sermon series based on the chapters of "I Am a Church Member" by Tom Rainer

Introduction: Have you ever considered how amazing the human body really is? Truthfully, how could anyone ever believe that it is the product of chance plus time? The stomach’s digestive acids are strong enough to dissolve zinc. Fortunately for us, the cells in the stomach lining renew so quickly that the acids don’t have time to dissolve it. The lungs contain over 300,000 million capillaries (tiny blood vessels). If they were laid end to end, they would stretch 2400km (1500 miles). Human bone is as strong as granite in supporting weight. A block of bone the size of a matchbox can support 9 tonnes – that is four times as much as concrete can support. Each kidney contains 1 million individual filters. They filter an average of around 1.3 liters (2.2 pints) of blood per minute, and expel up to 1.4 liters (2.5 pints) a day of urine. The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day. Everything in our body seems to work together by design...


It is no wonder why Paul chose to use the Human body as an illustration of how the church - the Body of Christ - ought to function. Today, we are looking at how God designed the church to function much like a human body - it is comprised of many different parts yet those parts are united into one body.


a. Paul uses the illustration of the human body to give us a picture of how the church body is composed. (v. 12)

i. The universal church (catholic) - the body of Christ - is made up of many different parts, just like a human body yet those parts are unified into one whole body.

ii. So it is with the local assembly - the body is made of many diverse parts united together into a whole.

b. Even though the parts of the human body are different, they must be united to one another so that the body functions properly. The church is no different than our bodies. If a part is missing we are handicapped.

c. The work of assembling the body together is a work of the Spirit of God (v. 13)

i. The Baptism of the Spirit occurs at conversion (baptize = to place into)

ii. We all drink of the same Spirit (Indwelling of the Holy Spirit) (John 7:38-39)


a. Each part of our bodies is designed with a different function - Paul mentions our hands, feet, ears, eyes and our sense of smell (our nose). Each member performs a specific function in cooperation with the other members of the body. (Illus. Arrange a demonstration - Help the mouth get water.)

b. Every member of the body must be a functioning member in order for the body to operate at optimum efficiency. (So it is with the church body! There should be no inactive members.)

c. One of the problems we have in our culture is an incorrect understanding of what it means to be a church member - many people treat church membership like they would membership in a local country club. I pay my dues and therefore I expect to receive benefits for my dues. (Entitlement vs. Servanthood)

d. Illus. "One of the ongoing questions you should ask yourself and God in prayer is: "How can I best serve my church? You should never ask yourself if you should be serving your church." Thom Rainer - I Am a Church Member

e. In other words, Biblical church membership means that I should expect to serve, rather than to be served. (Mark 10:45)(illus. Former Hells Angel joins the knitting ministry)


a. Just as every member of the body is interdependent on the other, so it is with the body of Christ - we need one another in order to do the work of ministry. (v. 21)

i. Illus. Imagine how foolish I would be if I said to the choir, our pianist and the AV team that I didn't need them on Sunday Morning?

ii. Illus. Illustration - the one man band - Marc Dobson at the NC State Fair.

b. No one can say that your gift - your function in the church - is less important than theirs. For instance, the eye can see what needs to be done, but it depends on the arms and hands to complete the job. The head may know where it needs to go, but depends on the feet to get it there.

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