Chapter 8 Review Word Scramble
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Question | Answer |
Platelets are helpful in ________. | clotting the blood |
which of the following body parts is about the size of a human fist? | the heart |
Which blood vessels carry blood to the heart? | veins |
What is the principal function of digestive enzymes? | breaking down food |
Almost half of our blood consists of _______ | red blood cells |
circulatory system | blood vessels |
respiratory system | the lungs |
excretory system | the kidneys |
nervous system | the spinal cord |
digestive system | the small intestine |
endocrine system | glands |
skeletal system | bones |
muscular system | biceps and triceps |
The central nervous system has two main parts, the brain and the ______. | spinal cord |
The ______ carry impulses from the brain and spinal cord to muscles and glands. | motor neurons |
Bones come together at ______. | joints |
The brain picks up many different messages from the _____ organs | sense |
The brain sends messages to other parts of the body through the _____ cells. | nerve |
peristalsis | Smooth muscles in the esophagus contract, or squeeze together, to push food toward the stomach. |
Mechanical digestion | the mechanical action to make food pieces smaller |
chyme | liquid food in the stomach |
Arteries | carry oxygen rich blood to the blood |
veins | carry carbon dioxide rich blood to the heart |
perspiration | liquid waste made of heat, water, and salt released through the skin |
peripheral nervous system | the nerves in the body that carry messages |
brain stem | controls automatic systems in your body |
automatic systems in your bosy | heart rate, gland secretions, digestion, respiration, circulation |
What are some reflex actions? | Sneezing, coughing, and blinking |
What does the pupil do when you go into a dark room? | It gets bigger to let more light in. |
Why can't you smell when your nose is plugged? | Holding your nose stops air from reaching the receptor cells in your nose. As a result the brain doesn't receive impulses from the nose, and you lose much of your sense of taste. |
Why do your adrenal glands release adrenaline? | gives the body strength and speed |
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