Science Final Exam Review
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- The ________ is a passageway for both food and air.
- pharynx
- What is the airway to which your vocal cords are attached?
- larynx
- ________ in cigarette smoke is the greatest contributor to lung cancer.
- tar
- Unlikee inorganic nutrients, organic nutrients contains _______.
- carbon
- Milk, cheese, and ____ contain all the essential amino acids.
- eggs
- Starches are found in foods like _____.
- grains
- Where does most digestionb occur?
- duodenm
- What is produced by bacteria in the large intestine?
- vitamins
- Which vitamin isn't used for growth?
- K
- Which organs produces enzymes that digest proteins, fats, and carbohydrates!
- pancreas
- Of the six kinds of nutrients available in food, which are able to be absorbed directly into the bloodstream?
- minerals and water
- Your body doesn't digest fiber. Why then is fiber necessary for good health?
- Fiber helps move undigested wastes through your digestive system.
- What does meiosis produce?
- cells with identical chromosomes
- Which of the following doesn't form during plant cell mitosis, but does form in animal mitosis?
- centrioles
- How do hydra reproduce?
- Budding
- In which of the following does a new organism grow from just a part of the parent organism?
- fission
- If a diploid tomato cell has 24 chromosomes, how many chromosomes will the tomato's sex cells have?
- 12
- How is RNA different from DNA?
- it is single stranded and has the base urasil
-
When the sun, moon, and Earth form a right angle, we have
_____ tides. - neap
- What increases when a deep-water wave approaches shallow water?
- wave length increases
- What is the most common ocean element?
- chloride
- The Coriolis effect causes currents in the Northern Hemisphere to turn in which direction?
- clockwise
- What are the different forms a gene may have for a trait?
- alleles
- How many alleles control blood type in humans?
- 3
- How is blood type inherited?
- multiple alleles
- How is eye shape inherited?
- polygenic inheritance
- How is sickle cell anemia inherited?
- recessive genes
- The smooth, flexible layer of tissue covering the ends of bone is...
- cartilage
- Vitamin D helps the body absorb
- calcium
- The hard, strong layer of bone is called__________
- compact bone
- One function of spongy bone is
- to make the bone lightweight
- What kind of bone cells break down bone tissue?
- osteoclasts
- How do muscles work?
- In groups
- Cartilage in a baby's skeleton is broken down and replaced by which of the following kind of bone?
- osteoblasts
- You take a bite of your hamburger and chew it. What kind of muscles are involved in these actions?
- voluntary
- What kind of movable joints do finger have
- hinge
- What nutrient is found in bones
- calcium
- In vision, light rays pass through the ________ first.
- Cornea
- The releasing of saliva is an example of the________hard at work.
- cerebrum
- Reflex responses are controlled in your
- spinal cord
- What part of the neuron receives messages?
- dendrite
- One job of the _______gland is to keep the amount of calcium at a steady level in your bloodstream.
- parathyroid
- How do impulses cross synapses?
- chemical
- What part of the brain cotnrols voluntary muscles?
- cerebellum
- What is controlled by the somatic division of the PNS?
- skeletal muscles
- Where does oxygen rich blood enter first?
- left atrium
- What is circulation to all body organs?
- systemic
- where is blood under the greatest pressure?
- arteries
- What kind of antigen does type of blood have?
- What is the largest filtering lymph organ?
- spleen
-
Blood in veins is...
a.high in oxygen
b.high in nutrients
c.low in wastes
d. low in oxygen - d.
- In systemic circulation, blood returns from your abdomen through the inferior vena cava to the
- right atrium
- Hemoglobin picks up
- carbon dioxide and wastes
- Anemia is a disorder in which there are too few _________in blood
- RBCs
- Leukemia is a disease in which __________ are produced in great numbers.
- WBCs
- How many chambers does the human heart contain?
- 4
-
Which of the following isn't involved in the systemic circulation?
a.aorta
b.superior vc
c.inferior vc
d.pulmonary artery - d
- What blood vessels bring blood towards the heart?
- veins