Which statement identifies a difference between the function of most arteries and veins? a) Arteries carry red blood cells, whereas veins carry white blood cells. b) Veins carry red blood cells, whereas carry blood away from the heart. c) Veins carry blood to the heart, whereas arteries carry blood away from the heart.
As blood flows to the heart from the toes and fingers, it travels mainly through tissues called what? veins
In which vessels are material exchanged between the blood and the body cells? capillaries
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 whole blood makes this possible? Red blood cells
Redness and swelling may develop in an area near a wound. This reaction by the body means that white cells are being carried to that area by which of systems? circulatory
The heart is made of muscle and has four chambers, two on each side. The left side contains mostly what kind of blood? Blood with oxygen
What are the main functions of blood? Carry oxygen, nutrients, and wastes Fight disease
What are the vessels that carry blood away from the heart? arteries
What is the function of the heart? To pump blood
What is the function of the white blood cells? Fight disease
Which component of blood carries oxygen to the body cells? Red blood cells
Many particles, such as dust, are inhaled when people breathe. Which part of the respiratory system filters out the majority of these particles? a) Nose b) Alveoli c) Trachea d) Diaphragm
Because of the close arrangement of the capillaries and alveoli, what is allowed to happen? Oxygen can diffuse from the alveoli into the blood
What is the entire process by which a body obtains and uses oxygen and gets rid of carbon dioxide and water called? respiration
What are the two gases that are usually exchanged in the lungs? Oxygen and carbon dioxide
What part of the respiratory system helps the rib cage expand and contract which helps in the process of breathing? diaphragm
Where in the respiratory system does gas exchange occur? In the alveoli
Using the diagram below, identify the structure labeled X. a) Lungs b) Bronchial tubes c) Trachea d) Alveoli
Sometimes when people eat, the food accidentally enters a tube near the beginning of the respiratory system instead of the digestive system. This causes a person to cough. In which part of the respiratory system can food sometimes get stuck and cause difficulty in breathing? a) Lung b) Alveoli c) Trachea
Mechanical digestion is the crushing and mashing of food while chemical digestion changes food into different molecules for absorption. 9/14/2015 42 Compare chemical digestion to mechanical digestion.
Mouth, throat, esophagus, stomach, small intestines, large intestines, rectum and anus. 9/14/2015 43 Describe how food moves through the digestive tract.
Increase the surface area for nutrient absorption. 9/14/2015 44 What function does the villi in the small intestine perform?
Mechanical digestion 9/14/2015 45 What is breaking, crushing, and mashing of food called?
Small intestines 9/14/2015 46 Where does most chemical digestion occur?
Large intestines 9/14/2015 47 What organ is not functioning properly if an individual is unable to compact waste or reabsorb liquid from undigested food?
It conducts information from one part of the body to another. 9/14/2015 49 A scientist studying the brain examines the above tissue under a microscope. Which statement best identifies a function of nerve tissue type
Spinal cord 9/14/2015 50 What is the thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system ?
Signals travel on nerves to the spinal cord, which causes a reflex that pulls the foot away. 9/14/2015 51 What statement best describe how the nervous system helps a person react quickly after stepping on something sharp?
uterus 9/14/2015 53 The birth of a baby indicates that a fertilized egg developed in which of these structures?
There is greater variation among animals that reproduce sexually. 9/14/2015 54 The reproductive system allows for the production of offspring and the continuation of life. What is true of sexual reproduction that brings together genetic material from two parents ?
To produce sperm 9/14/2015 55 What is the main function of the male reproductive system?