Digestive & Nervous System
On average, how long does it take for food to move through your digestive system?
On average, it takes about one to two days for food to travel all the way through your digestive system!
The respiratory system keeps every part of your body working by giving it oxygen and removing waste gases — without it, your cells couldn’t make the energy you need to live! The respiratory system keeps every part of your body working by giving it oxygen and removing waste gases — without it, your cells couldn’t make the energy you need to live!
What is the purpose of the muscular system?
Your muscular system is made up of all the muscles in your body. It helps you move, stay strong, and even keep your heart beating.
Drinking water and eating a balanced diet that includes foods rich in fiber.
How can you keep your skeletal system healthy?
Eat foods with calcium, get vitamin D, exercise, and wear safety gear to protect your bones.
What is the purpose of the nervous system?
Your bodies communication network. It helps your brain, spinal cord, and nerves work together to send messages all through your body, Control your movements, feel things (like hot, cold, soft, or rough), and think, learn, and remember.
The process where oxygen from the air and carbon dioxide from the cells is exchanged is called _______?
Respiration
What are the three types of muscles?
Skeletal, cardiac, and smooth muscles.
How can you keep your muscular system healthy?
Exercise regularly, eat protein to build strong muscles, stretch to stay flexible, drink water to keep muscles from cramping, and rest.
How can you keep your cardiovascular system health?
Exercise regularly, eat heart-healthy foods, limit sugary drinks and junk food, don’t smoke or vape, get enough sleep, and manage stress.
Breaks down the food you eat into tiny pieces so your body can use it for energy, growth, and staying healthy.
What is the purpose of the cardiovascular system?
Its main job is to pump and move blood throughout your body. Blood delivers oxygen and nutrients to your cells and carries away waste products (like carbon dioxide).
Bones are living tissue — they’re strong but also a little flexible. They contain:
Calcium and other minerals for strength and Collagen, a stretchy material that keeps bones from breaking easily.
How can you keep your nervous system health?
Eat healthy foods, exercise, wear a helmet, don't drink alcohol, take drugs, or use tobacco, and use your brain by doing challenging activities.
What is the best way to keep all systems healthy?
To keep all body systems healthy, focus on a lifestyle with a balanced diet, regular physical activity, and adequate sleep.
There are four parts of the brain you learned about. Name two of them and its main function.
Cerebrum: Helps you think, learn, talk, and move your body.
Cerebellum: Keeps you balanced and helps you move smoothly.
Brainstem: Controls things you don’t think about, like breathing and heartbeat.
Thalamus: Sends messages from your senses (like sight and sound) to the right part of your brain.
What does each side (right and left) of the heart do?
The right side pumps blood to the lungs to pick up oxygen and the left side pumps oxygen-rich blood to the rest of the body.
What is the purpose of the skeletal system?
Your skeletal system is made up of all the bones in your body. It gives your body shape, support, and protection.
How can you keep your respiratory system healthy?
Exercise, don’t smoke or vape – It harms your lungs, avoid polluted air, drink water, cover coughs & sneezes, eat healthy foods, and rest.
What are some ways to stay healthy at school?
Wash your hands, cover your cough/sneeze, avoid sharing foods and drinks, and stay home when sick.