A chemical called a hormone, which changes a boy’s body, is produced from adolescence onwards. (i) Where is this hormone produced?

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

To take a whiff of your favorite food, you use both? a. motor nerves and your digestive system b. sensory nerves and your immune system c. motor nerves and your skeletal system d. sensory nerves and your respiratory system

Which organelle will regrow during telophase?