eQuizShow
Body Systems
Digestive System
Question: Which of the following statements is correct about digestion in the mouth?
a. The teeth are responsible for starting chemical digestion.
b. The saliva changes some of the starches in the food to sugar.
c. Proteins are broken down into simpler fat molecules.
d. Chewing up food allows for slower digestion to occur.
Answer: b. The saliva changes some of the starches in the food to sugar.
Question: Simple sugars form when ---
a. large carbohydrate molecules break down into smaller molecules
b. fat molecules chemically combine with other organic compounds
c. proteins undergo chemical reactions in the body
d. starches physically combine with other starches
Answer: a. large carbohydrate molecules break down into smaller molecules
Question: In the digestive system, food is chemically broken down by ------
a. water
b. enzymes
c. chewing of food
d. squeezing action of the stomach
Answer: b. enzymes
Question: In what part of the body does most chemical digestion take place
a. Large intestine
b. Liver
c. Pancreas
d. Small intestine
Answer: d. Small intestine
Question: Which of the following enable(s) the small intestine to absorb large amounts of nutrients?
a. villi
b. pancreas
c. liver
d. gallbladder
Answer: a. villi
Excretory System
Question: What is the function of the excretory system?
a. break large molecules into smaller molecules
b. transport nutrients to cells
c. filter wastes from the blood
d. nutrient absorption in the large intestine
Answer: c. filter wastes from the blood
Question: The main structures of the excretory system are…
a. skin, lungs, urinary system
b. muscles, heart, pancreas
c. brain, skin, kidney
d. stomach, bones, lungs
Answer: a. skin, lungs, urinary system
Question: Which substances are normally removed by the excretory system?
a. Oxygen, urea, and glucose
b. Salts, water, and urea
c. White blood cells, proteins and carbon dioxide
d. Carbon dioxide, water and oxygen
Answer: b. Salts, water, and urea
Question: What function do the kidneys perform?
a. Eliminate carbon dioxide from the blood
b. Supply oxygen to body cells
c. Eliminate nitrogen waste and excess water from blood
d. Play a role in gas exchange
Answer: c. Eliminate nitrogen waste and excess water from blood
Question: How is the excretory system most likely to respond when an animal is thirsty?
a. By relaxing smooth muscle
b. By retaining body fluids
c. By absorbing heat from glands
d. By releasing hormones
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Answer: b. By retaining body fluids
Skeletal System
Question: Which is not a function of the skeletal system?
a. to make new blood cells
b. to store nutrients
c. to protect vital organs like your heart, lungs & brain
d. to move your body
Answer: d. to move your body
Question: What is the skeletal system?
a. All the bones in the body
b. All the muscles in the body
c. All the organs in the body
d. All the bones in the body and the tissues that connect them
Answer: d. All the bones in the body and the tissues that connect them
Question: The bones of the skeleton store minerals such as phosphorus and
a. Sodium
b. Calcium
c. Iron
d. Potassium
Answer: b. Calcium
Question: Blood cells are produced by the
a. Skeletal system
b. Muscular system
c. Circulatory system
d. Respiratory system
Answer: a. Skeletal system
Question: The shape of the human body is different from the shape of a turtle’s body because
a. turtles do not have a skeleton because they have a shell
b. the shape of a turtle skeleton is different than a human skeleton
c. turtles have different muscular structures than humans
d. the types of internal organs turtles have are different than humans
Answer: b. the shape of a turtle skeleton is different than a human skeleton
Muscular System
Question: What is the main function of the muscular system?
a. Movement
b. Blood flow
c. Reproduction
d. Thought process
Answer: a. Movement
Question: Which type of tissue can contract and shorten?
a. Nerve tissue
b. Muscle tissue
c. Connective tissue
d. Epithelial Tissue
Answer: b. Muscle tissue
Question: The muscular structure of the stomach enables it to
a. Absorb a large amount of nutrients
b. Produce pepsin
c. Churn and mix food with digestive juices
d. Kill bacteria
Answer: c. Churn and mix food with digestive juices
Question: How do pairs of skeletal muscles work together?
a. Both muscles contract at the same time.
b. Both muscles extend at the same time.
c. While one muscle in the pair contracts, the other returns to its original length.
d. One muscle in the pair pulls on a bone, while the second muscle pulls on the first muscle.
Answer: c. While one muscle in the pair contracts, the other returns to its original length.
Question: The skeletal and muscular systems work together to enable the body to move. What is the main function of the skeletal system in relationship to the muscular system?
a. to provide attachment points for muscles
b. to assist muscles in growth and development
c. to produce muscle cells inside the bone marrow
d. to produce enzymes that help muscles repair themselves
Answer: a. to provide attachment points for muscles
Circulatory/RespiratorySystems
Question: The main function of the circulatory system is to-
a. support and protect delicate organs such as the brain, lungs, and heart
b. supply oxygen from the lungs to the blood
c. pump oxygen and nutrients through the blood to every part of the body
d. coordinate all actions and reactions of the body
Answer: c. pump oxygen and nutrients through the blood to every part of the body
Question: How is the circulatory system involved with the respiratory system?
a. It moves air into the lungs
b. It moves red blood cells to the larynx so sounds can be made
c. Oxygen and carbon dioxide diffuse in and out of the capillaries that surround alveoli
d. Blood pressure keeps the C-shaped rings in the trachea from collapsing
Answer: c. Oxygen and carbon dioxide diffuse in and out of the capillaries that surround alveoli
Question: When blood flows into the right atrium from the body, it contains___
A. Little oxygen and a lot of carbon dioxide
B. A lot of oxygen and little carbon dioxide
C. A lot of both oxygen and carbon dioxide
D. Little of either oxygen or carbon dioxide
Answer: A. Little oxygen and a lot of carbon dioxide
Question: Within the lungs, the exchange of oxygen and carbon dioxide occurs between the __ and the capillaries.
a. Trachea
b. Bronchi
c. Alveoli
d. Diaphragm
Answer: c. Alveoli
Question: Why must capillaries have thin walls?
a. So materials can diffuse in and out of the blood
b. Because not much blood moves through the capillary at one time
c. Because capillaries are far away from the heart
d. So that blood can be made mostly of plasma
Answer: a. So materials can diffuse in and out of the blood