Generic
What organ is considered the “boss” of the body?
The brain.
About how many muscles are in the human body
More than 600
What organ pumps blood through the body?
the heart
Which organ controls thinking, memory, and movement?
the brain
What gas does the respiratory system bring into the body?
Oxygen.
What two organs make up the central nervous system?
Brain and spinal cord.
What connects muscles to bones?
Tendons
Which blood vessels carry blood away from the heart?
Arteries
Which organ filters toxins and stores vitamins?
the liver
What organ is the main organ of the respiratory system?
Lungs
What are the two main parts of the nervous system?
Central nervous system and peripheral nervous system.
What type of muscle pumps blood throughout the body
Cardiac muscle
What are the three types of blood vessels?
Arteries, veins, and capillaries.
Which organs remove waste and excess fluid from the blood?
the kidneys
What gas is removed from the body when we breathe out?
Carbon dioxide.
What type of nerves send information about the outside world to the brain?
Sensory nerves.
Why do people shiver when they are cold?
Muscles contract to produce heat
Which blood vessels carry blood back to the heart?
Veins
Which organ helps regulate blood sugar and digestion?
The pancreas.
About how many times does the average person breathe each minute?
Answer: About 15–25 times.
What part of the bone produces blood cells?
Bone Marrow
What type of nerves control muscles and movement?
Motor nerves.
Approximately how many miles of blood vessels are in the human body?
About 60,000 miles.
Which organ is the largest organ of the human body?
The skin.
What tiny hairs help filter germs and particles from the air we breathe?
Cilia