Muscular and Skeletal
The skeletal system works closely with which system to produce movement?
A) Nervous system
B) Digestive system
C) Muscular system
D) Integumentary system
C) Muscular system
This organ has the job of circulating blood through the body.
A) Brain
B) Heart
C) Lungs
D) Stomach
B) Heart
What are the long, thin cells that carry messages throughout the body?
A) Nerves
B) Muscles
C) Bones
D) Tendons
A) Nerves
The small intestine absorbs:
A) Water
B) Nutrients
C) Oxygen
D) Waste
B) Nutrients
What is the largest organ in the human body?
A) Liver
B) Skin
C) Heart
D) Stomach
B) Skin
What connects muscles to bones, allowing movement?
A) Ligaments
B) Cartilage
C) Tendons
D) Joints
C) Tendons
What is the main function of the respiratory system?
A) Absorbing nutrients
B) Providing oxygen to the body
C) Filtering blood
D) Excreting waste
B) Providing oxygen to the body
Which part of the nervous system is like a highway, carrying messages between the brain and the rest of the body?
A) Heart
B) Spinal cord
C) Stomach
D) Lungs
B) Spinal cord
Which organ in the digestive system sends bile to the small intestine to help break down fats?
A) Stomach
B) Liver
C) Pancreas
D) Large intestine
B) Liver
The pancreas is part of both the digestive and endocrine systems. What does it produce to help regulate blood sugar levels?
A) Insulin
B) Bile
C) Hormones
D) Enzymes
A) Insulin
What part of the skeletal system connects bones and allows flexible movement?
A) Ligaments
B) Joints
C) Cartilage
D) Tendons
B) Joints
Which structure in the respiratory system is responsible for the exchange of oxygen and carbon dioxide?
A) Bronchi
B) Alveoli
C) Trachea
D) Diaphragm
B) Alveoli
How do your senses, like seeing or hearing, send information to the brain?
A) Through muscles that contract and expand
B) Through nerves that carry signals to the brain
C) Through blood vessels that bring oxygen to the brain
D) Through bones that move signals to the brain
B) Through nerves that carry signals to the brain
The large intestine plays an important role in digestion. What is its main function?
A) Breaking down food into smaller pieces
B) Absorbing nutrients into the bloodstream
C) Absorbing water and forming solid waste
D) Producing enzymes to digest fats and proteins
C) Absorbing water and forming solid waste
Which body system is responsible for producing sweat to cool the body?
A) Integumentary system
B) Circulatory system
C) Excretory system
D) Respiratory system
A) Integumentary system
Which part of the skeletal system provides cushioning and flexibility in the joints?
A) Bones
B) Ligaments
C) Cartilage
D) Tendons
C) Cartilage
What is the name of the blood vessels that carry oxygen-rich blood away from the heart?
A) Veins
B) Arteries
C) Capillaries
D) Aorta
B) Arteries
The medulla is a part of the brain that controls which of these important functions?
A) Solving math problems
B) Breathing and heartbeat
C) Seeing and hearing
D) Storing memories
B) Breathing and heartbeat (automatic functions)
What is the role of the pancreas in the digestive system?
A) Producing bile that is stored in the gallbladder
B) Sending enzymes to the small intestine to help digest food
C) Absorbing water from undigested food in the large intestine
D) Filtering waste from the blood before it enters the liver
B) Sending enzymes to the small intestine to help digest food
What is the main role of the immune system?
A) To help you breathe
B) To protect your body from germs and diseases
C) To digest food
D) To pump blood
B) To protect your body from germs and diseases
What is the muscle movement called when the biceps bend the arm?
A) Relaxing
B) Contracting
C) Extending
D) Flexing
B) Contracting
When you run, your body needs more oxygen. How do the circulatory and respiratory systems work together to deliver it?
A) The heart pumps faster to send oxygen from the lungs to your muscles.
B) The lungs stop working so the heart can send blood faster.
C) The muscles produce oxygen to help the lungs.
D) The blood moves directly into the muscles without passing through the lungs.
A) The heart pumps faster to send oxygen from the lungs to your muscles.
The nervous system controls how you react to the world around you. Which part of the brain is responsible for thinking and making decisions?
A) Cerebrum
B) Brainstem
C) Cerebellum
D) Spinal cord
A) Cerebrum
Food passes through many organs in the digestive system. Which of these shows the correct order of food traveling through the digestive tract?
A) Mouth → Stomach → Small intestine → Esophagus → Large intestine
B) Mouth → Esophagus → Stomach → Small intestine → Large intestine
C) Stomach → Mouth → Small intestine → Large intestine → Esophagus
D) Small intestine → Stomach → Mouth → Large intestine → Esophagus
B) Mouth → Esophagus → Stomach → Small intestine → Large intestine
Which is NOT a function of the skin?
A) Protecting the body from invaders
B) Helping the body stay at a constant temperature
C) Allowing the body to feel touch
D) Filtering blood to remove waste
D) Filtering blood to remove waste