Question | Answer |
A flap of tissue that prevents blood from flowing backwards is a(n): | Valve |
The smallest blood vessels in the body are called: | capillaries |
Vessels that carry blood away from the heart are: | Arteries |
Blood vessels that are only one cell thick and allow blood cells to pass through single file are called: | capillaries |
Blood is: | circulating connective tissue |
The fluid part of the blood that contains dissolved nutrients, sugars, and proteins is: | Plasma |
Red blood cells: | carry oxygen to the cells. |
____ are part of your immune system and fight infections | White blood cells |
Blood pressure: | is a measure of the force of blood pushing against the walls of arteries. |
The process by which the body exchanges and uses gases is called: | respiration. |
The ____ consists of the lungs and passageways that lead to the lungs. | respiratory system |
Alveoli are sac-like structures: | surrounded by capillaries |
The failure of any part of the respiratory or circulatory system can result in | an inefficient supply of oxygen to organs can occur.
cardiovascular disease can occur.
heart attack and strokes can result. |
Your body’s “transport system” is the: | Circulatory System |
Veins: | bring blood back towards that heart. |
Veins always carry oxygen poor blood. | False |
The act of the ____ pumping forces blood out of the heart muscle. | Ventricles |
Collecting oxygen-poor blood from the body and pumping it to the lungs is a function of the: | Right Side of the Heart |
Valves found in veins do the following keep blood from flowing to the heart. | False |
Without hemoglobin, your cells cannot: | receive oxygen |
The pancreas releases ____, a hormone that regulate the amount of sugar in your blood | Insulin |
The group of organs that takes in food, digest food, and eliminate solid wastes make up the: | digestive system |
Ligaments: | are bands of connective tissue |
A muscle that bends a part of your body is: | a flexor |
A strand of tough connective tissue that connects bone to muscle is: | Tendon |
The major function of the ____ system is to move bones. | musculature |
________ is found at the end of bones and act as cushion. | Cartilage |
The interior of long bones are filled with marrow. Marrow produces __________. | Red Blood Cells |
What Type of cell is shown in Figure 19-1A | Neuron |
The gap between neuron's is called ________. | Synapse |
the nerve signal crosses that gap through | neurotransmitters |
mouth, stomach, appendix large intestine, small intestine, rectum | The organs of the digestive tract - in order |
Which happens in the MOUTH? | amylase breaks carbs into sugars |
Food moves through the digestive tract by _______. | peristalsis of muscles |
small intestine with villi | absorb nutrients into the blood stream |
Acessory organs of the digestive system | Liver, Pancreas and gall bladder |
The main fuel used by the body for energy | glucose |
glucose reacts with oxygen in steps that release energy for the cell to use, and give off water and carbon dioxide as waste products | Cellular Respiration |
Where does cellular respiration take place? | in the mitchondria of cells |
What process is occurring when substances move across cell membranes, for example, to go from alveoli to capillary? | diffusion |
homeostasis | regulation of internal environment to keep internal conditions stable |