Unit 2 - Science Review: Question Preview (ID: 27792)


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What is a kidney?
a) An organ that cleans liquid waste from the blood
b) An organ that keeps blood flowing
c) Where carbon dioxide leaves the blood stream
d) An organ where food is stored

Where would you find your epiglottis?
a) At the top of your trachea
b) At the top of your esophagus
c) In your stomach
d) At the end of your large intestine

Which body system is the transportation system for the body?
a) Circulatory system
b) Urinary system
c) Digestive system
d) Respiratory system

Which of the following will the body make in greater numbers when you have an infection?
a) White blood cells
b) Red blood cells
c) Platelets
d) Medicines

Which type of blood vessel takes blood from cells back to the heart?
a) Veins
b) Arteries
c) Capillaries
d) Heart

Which part of a cell contains chromosomes made of DNA?
a) Nucleus
b) Vacuole
c) Cytoplasm
d) Cell wall

Groups of bone cells in your body make up bone
a) Tissue
b) Organs
c) Cells
d) Muscles

What makes up muscle tissue?
a) A group of muscle cells
b) A single muscle cell
c) A group of muscle organs
d) Groups of muscle organs and nerve cells

This is the control center of the cell
a) Nucleus
b) Cytoplasm
c) Cell wall
d) Organ

What structure connects the smallest arteries to the smallest veins?
a) Capillaries
b) Air sacs
c) Bronchial tubes
d) Valves

Which of these systems does NOT remove a waste product from the body?
a) circulatory
b) respiratory
c) digestive
d) urinary (kidneys)

Which shows the proper sequence through which inhaled air passes?
a) nose - trachea - bronchiole - air sac
b) nose - air sac - trachea - bronchiole
c) air sac - bronchiole - trachea - nose
d) nose - esophagus - bronchiole - air sac

Ringed mucscle that pushes food to the stomach.
a) esophagus
b) trachea
c) small intestine
d) large intestine

A(n) _____ keeps blood from flowing backward and makes the beating sound heard from your heart.
a) valve
b) artery
c) vein
d) capillary

Which body system is covered with a sticky fluid called mucus?
a) respiratory
b) circulatory
c) digestive
d) muscular

Red blood cells look like small, smooth, flexible saucers. How does their shape help them perform their function?
a) The shape helps the cells move through blood vessels.
b) The shape gives them strength to pull.
c) Their shape helps them cover a surface to keep out germs.
d) The shape allows them to quickly send messages to the brain.

Which shows the order of organization in an animal from simplest to most complex?
a) cell, tissue, organ, organ system
b) organ system, organ, tissue, cell
c) tissue, cell, organ system, organ
d) cell, organ, tissue, organ system

Which type of cells make up your skin?
a) flat cells
b) round cells
c) rough cells
d) branching cells

Which is the name of a group of similar cells working together to perform the same job?
a) tissue
b) organ
c) system
d) bundle

Which two organ systems work together to move the body?
a) muscle system and skeletal system
b) muscle system and digestive system
c) nervous system and digestive system
d) respiratory system and nervous system

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