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7th grade3rd Quarter

CRT Review

QuestionAnswer
Which is the simplest unit of life? cell
Which is true about the list below?Organ system, organ, tissue, cell Each level is more complex than the level below it.
Arrange in order from least to most complex the following: heart, cardiac muscle, circulatory system, heart cell heart cell, cardiac muscle, heart, circulatory system
__________ are made of _____________. organs; tissues
How are cartilage and bone related? Most bone begins as cartilage.
Which of the following functions is not a function of the skeletal system? provide support, excrete waste, produces red blood cells, stores minerals excrete waste
What protects your spinal cord? vertebrae
The organ system that provides support and protects organs is the ___________. Skeletal system
Which tissue in the skeletal system cushions the area where two bones meet? cartilage
How do pairs of skeletal muscles work together? While one contracts the other returns to its original length
What type of muscle allows the heart to continuously pump blood? Cardiac Muscle
How does skeletal muscle cause bones to move? when the muscle pulls on a tendon which then pulls on the bone
What type of human body tissue can contract, or shorten? Muscle tissue
Many particles, such as dust, are inhaled when peolpe breathe. which part of the respiratory system filters out the majority of these particles? nose
What is the main fuction of the trachea? carries oxygen to the lungs
What part of the respiratory system helps the rib cage expand and contract, which helps in the process of breathing? diaphragm
Alveoli and capillaries are in close arrangement to allow _______________________. Oxygen to diffuse from the alveoli into the blood
Redness and swelling may develop in an area near a wound. This reaction by the body means that white blood cells are being carried to that area by which of the following? Circulatory system
What is the job of the capillaries? Exchange between the blood and body cells
One of the main purposes of the human circulatory system is to take oxygen to all the cells in the body. Which of the following parts of the whole blood makes this possible? Red blood cells
Blood flows away from the heart to the toes and fingers travels mainly through a tissue called? Arteries
The heart is made of muscles and has four chambers two on each side. The left side contains mostly what kind of blood? Blood with oxygen
The birth of a baby indicates that a fertilized egg developed in which of these structures? Uterus
The male testes are responsible for producing _________________. Sperm/testosterone
A mature egg is released into the _________. fallopian tube
What is the thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system? Spinal cord
A scientist studying the brain examines the above tissue under a microscope. Which statement best identifies a function of this tissue type? It conducts information from one part of the body to another.
Which statement best describes how the nervous system helps a person react quickly after stepping on something sharp? Signals travel on nerves to the spinal cord, which causes a reflex that pulls the foot away.
Why are nerve cells essential to an animal? They directly provide communication between cells.
Describe how food moves through the digestive tract? Mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, anus
What function do the villi in the small intestine perform? Increase the surface area for nutrient absorption
What is breaking, crushing, and mashing of food called? Mechanical digestion
Which organ is not functioning properly if an individual is unable to compact waste of reabsorbed liquid from undigested food? Large intestine
Created by: jcowart
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