- 1. The digestive system is made up of which of the following organs?
A) lungs, trachea and mouth
B) esophagus, stomach, small intestine and large intestine
C) brain, nerves and spinal cord
D) mouth, brain cells and large intestine
- 2. Heart, lungs and stomach are examples of:
A) tissues
B) cells
C) organ systems
D) organs
- 3. The long tube between the mouth and the stomach
A) esophagus
B) trachea
C) small intestine
D) large intestine
- 4. The human baby's skeleton has ______ bones
A) 206
B) unknown amount
C) less than 206
D) more than 206
- 5. The blood vessels which carry blood to the heart:
A) veins
B) capillaries
C) arteries
D) aorta
- 6. This organ of the digestive system absorbs water and vitamins while converting digested food into waste
A) liver
B) lungs
C) esophagus
D) large intestine
- 7. a wavelike muscle action that pushes food through the esophagus
A) coughing
B) peristalsis
C) eating
D) hiccuping
- 8. A tiny blood vessel where gases are exchanged between the blood and the body cells.s
A) capillary
B) nerve
C) vein
D) artery
- 9. A blood vessel that carries blood away from the heart:
A) vena cava
B) vein
C) artery
D) capillary
- 10. Digestion begins in the _____________.
A) small intestine
B) large intestine
C) stomach
D) mouth
- 11. The human heart has _____________ chambers (rooms).
A) Two
B) Three
C) Five
D) Four
- 12. The top chambers of the heart are called the _____________.
A) vena cava
B) Atria
C) Ventricle
D) Septum
- 13. Arteries, Veins, and capillaries are the _____________ in the circulatory system.
A) vessels
B) organs
C) tissues
D) cells
- 14. ______________ are important for clotting blood.
A) Plasma
B) Red blood cells
C) White blood cells
D) Platelets
- 15. The muscle which controls the respiratory system is the _____________.
A) bronchi
B) diaphragm
C) lung
D) trachea
- 16. In which organ is blood oxygenated?
A) heart
B) aorta
C) lung
D) artery
- 17. The lungs pick up oxygen in these tiny air sacs in the lungs.
A) bronchi
B) alveoli
C) larynx
D) trachea
- 18. The liver produces __________ to break down food
A) pigment
B) bile
C) oxygen
D) water
- 19. The _____________ absorbs nutrients from your digested food.
A) small intestine
B) liver
C) stomach
D) large intestine
- 20. The ___________ system transports materials to and from cells.
A) circulatory
B) Brain
C) Spinal Cord
D) Nerves
- 21. Teeth and bones are part of the __________ system.
A) skeletal
B) muscular
C) respiratory
D) digestive
- 22. The main function of this body system is to take in oxygen and eliminate carbon dioxide.
A) nervous
B) circulatory
C) respiratory
D) digestive
- 23. Valves in the heart prevent the blood from moving __________.
A) forwards
B) too slow
C) backwards
D) too fast
- 24. Tube that connects the trachea to the lungs.
A) mouth
B) lungs
C) bronchi
D) diaphragm
- 25. Thigh bone. The largest and strongest bone in the human body
A) tibia
B) pelvis
C) humerus
D) femur
- 26. The primary function of the system is to support and protect the body.
A) Muscular
B) Digestive
C) Respiratory
D) Skeletal
- 27. the bone of the upper arm
A) metacarpals
B) tibia
C) humerus
D) patella
- 28. The primary function of white blood cells is to ______.
A) fight infection
B) carry CO2
C) carry oxygen
D) clot blood
- 29. The primary function of this system is to break down food into usable form and to remove waste products.
A) Respiratory
B) Skeletal
C) Digestive
D) Muscular
- 30. The bone that protects the brain is called the _____________
A) ribs
B) tibia
C) patella
D) cranium
- 31. The bone(s) that protect the lungs are called the _____________.
A) tibia
B) cranium
C) ribs
D) patella
- 32. The largest artery in the human body
A) vena cava
B) aorta
C) ventricle
D) capillary
- 33. The bone that protects the heart is called the _____________.
A) sternum
B) clavicle
C) pelvis
D) vertebrae
- 34. The bone(s) that protect the spinal cord:
A) vertebrae
B) pelvis
C) clavicle
D) sternum
- 35. Fluid portion of blood
A) plasma
B) red blood cells
C) white blood cells
D) platelets
- 36. Asthma is a disorder of this system:
A) circulatory
B) digestive
C) nervous
D) respiratory
- 37. The blood flows to the lungs to ___________.
A) merchandise
B) drop off O2 and pick up CO2
C) drop off CO2 and pick up O2
D) pick up nutrients
- 38. These two body systems work together to allow a person to move, talk, and run.
A) skeletal & muscular
B) digestive & circulatory
C) circulatory & solar
D) digestive & respiratory
- 39. The _______ is the basic building block of the human body.
A) organ
B) muscle
C) tissue
D) cell
- 40. What organs make up the circulatory system?
A) Heart, blood vessels and blood
B) Stomach, mouth and nutrients
C) Brain, nerves and cells
D) Skin, tissues and muscles
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