body parts 4

3. The part of your brain that coordinates your movements, balance, and posture. It also helps you learn and remember motor skills, such as playing sports or instruments.
4. The fluid in your body that carries oxygen, nutrients, and waste products. You have about 5 liters of blood in your body, and it moves through your veins, arteries, and capillaries. You need to donate blood if you can and avoid sharing needles to prevent infections.
5. The lower part of your brain that connects to your spinal cord and controls your basic functions, such as breathing, heart rate, and sleep. It also relays sensory and motor information to and from your brain.
6. The rigid tube in your throat that carries air from your nose and mouth to your lungs. You need to breathe deeply and cough if you have phlegm or mucus in your trachea to clear it out.
8. The gland in your chest that produces T-cells to fight infections and cancers. It is important for your immune system, especially when you are young.

1. The dome-shaped muscle that separates your chest and abdomen and helps you breathe. It contracts and relaxes to create negative and positive pressure in your lungs. You need to use your diaphragm when you sing, speak, or exercise to control your breath.
2. The point where two or more bones meet and move. You have many different joints in your body, some ball-and-socket, some hinge, some pivot. You need to bend and stretch your joints to keep them lubricated and flexible.
3. The largest and most complex part of your brain that is responsible for your conscious thoughts, emotions, and behaviors. It has different regions for processing information, such as language, vision, hearing, and touch.
7. The muscular tube in your throat that carries food and liquids from your mouth to your stomach. You need to chew your food well and swallow it slowly to avoid choking and acid reflux.
9. The column of bones in your back that protect your spinal cord and nerves. You have 33 vertebrae in your spine, some cervical, thoracic, lumbar, and sacral. You need to have good posture and lift heavy objects properly to avoid injuring your spine.