diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa..3f2dafbe 100755
--- a/flow-control.js
+++ b/flow-control.js
@@ -1,19 +1,47 @@
-function basicTeenager(age) {
-
+function basicTeenager(age){
+  if (age >= 13 && age <= 19) {
+    return 'You are a teenager!';
+  }
 }
-
-function teenager(age) {
-
+basicTeenager(17);
+
+function teenager(age){
+  if (age >= 13 && age <= 19) {
+    return 'You are a teenager!';
+  } else {
+    return 'You are not a teenager';
+  }
 }
-
-function ageChecker(age) {
-
+teenager(21);
+
+function ageChecker(age){
+  if (age >= 13 && age <= 19) {
+    return 'You are a teenager!';
+  } else if (age <= 12) {
+    return 'You are a kid';
+  } else {
+    return 'You are a grownup';
+  }
 }
+ageChecker(11);
 
-function ternaryTeenager(age) {
-
+function ternaryTeenager(age){
+  return age >= 13 && age <= 19 ? 'You are a teenager' : 'You are not a teenager';
 }
-
-function switchAge(age) {
-
+ternaryTeenager(15);
+
+function switchAge(age){
+  switch (age) {
+    case 13:
+    case 14:
+    case 15:
+    case 16:
+    case 17:
+    case 18:
+    case 19:
+      return 'You are a teenager';
+    default:
+      return 'You have an age';
+  }
 }
+switchAge(16);