Skeletal System
What is the main job of the skeletal system?
Support and protect the body.
What type of muscle is found in the heart?
Cardiac muscle.
What is the main job of the respiratory system?
Bring oxygen in, remove carbon dioxide.
What is the main job of the nervous system?
Send and receive messages.
How many calories are in 1 gram of protein?
4 Calories
How many bones are in the adult human body?
206
Which type of muscle can you control voluntarily?
Skeletal muscle.
What muscle helps you breathe by moving up and down?
Diaphragm.
What does CNS stand for?
Central Nervous System.
Which nutrient is the body’s main source of energy?
Carbohydrates.
What type of joint is your shoulder?
Ball-and-socket joint.
What connects muscle to bone?
Tendons.
What are the tiny air sacs in the lungs where gas exchange happens?
Alveoli.
What are the “messenger cells” of the nervous system?
Neurons.
What mineral helps build strong bones and teeth?
Calcium.
What part of the skeleton protects the brain?
The skull.
What muscle is mainly used when you bend your arm at the elbow?
Biceps.
What is the windpipe called?
Trachea.
Which part of the brain controls balance and coordination?
Cerebellum.
What vitamin do you get from sunlight?
Vitamin D.
What is the longest bone in the human body?
The femur.
What is the largest muscle in the human body?
Gluteus maximus.
What respiratory disease makes airways inflamed and narrow?
Asthma.
What part of the nervous system controls automatic body functions like breathing and heartbeat?
Autonomic Nervous System.
What does BMI stand for?
Body Mass Index.