Human Body
Heart
Lungs
Brain
100

What are the four main types of tissues in the body

Epithelial tissue, muscle tissue, connective tissue, nervous tissue 

100

What is the main function of the heart?

Pump blood throughout the body

100

What is the primary job of the lungs?

To take oxygen and remove carbon dioxide 

100

What are three main parts of the brain mentioned in the video?

Cerebrum, cerebellum, brainstem

200

What are the two functions of the skeletal system?

Supports the body, protects organs, allows movement, produce blood cells

200

What are the four chambers of the heart?

Right atrium, right ventricle, left ventricle, left atrium

200

What happens when you inhale and exhale?

Inhale: air enters lungs

Exhale: air leaves the lungs

200

Which part of the brain controls movement and coordination?

Cerebellum controls movement and coordination

300

Why is the muscular system important for movement?

Allows movement by contracting and pulling on bones

300

Why are valves important?

Valves prevent from blood flowing backwards

300

How do the lungs work with the heart to supply oxygen to the body?

Lungs supply oxygen to blood, heart pumps oxygenated blood to the body

300

How does the brain communicate with the rest of the body?

Brain communicates via nerve signals through the spinal cord and nerves

400

How does the nervous system communicate with other parts of the body?

By sending electrical signals (nerve impulses) to communicate with muscles and organs.

400

How does exercise affect your heart rate?

Exercise increases heart rate to pump more oxygen-rich blood to the muscles.

400

Describe the role of alveoli in the lungs

Alveoli are tiny air sacs where oxygen and carbon dioxide are exchanged between the lungs and blood.

400

Why is the brain considered the control center of the body?

The brain controls the body functions like movement, senses, thinking. and emotions.

500

Which organ system work together to help you digest food?

Digestive system works with muscular system (for movement of food) and circulatory system (to absorb nutrients)

500

Explain how blood flows through the heart (name the path briefly)

Body --> right atrium --> right ventricle --> lungs --> left atrium --> left ventricle --> body 

500

What can harm your lungs and how can you keep them healthy?

Smoking, pollution; Keep lungs healthy by avoiding smoking and exercising 

500
What can you do to keep your brain healthy?

Keep the brain healthy by eating well, exercising, getting sleep, and protecting head from injury