All blood cells are produced in the bone marrow. As children, most of our bones produce blood. As we age this gradually diminishes to just the bones of the spine (vertebrae), breastbone (sternum), ribs, pelvis and small parts of the upper arm and leg. Bone marrow that actively produces...
Breathalyzers operate so well because they understand how the body processes alcohol. How Much Alcohol Is Too Much? Since the alcohol concentration in the breath is related to that in the blood, you can figure the BAC by measuring alcohol on the breath. The ratio of breath alcohol ...
and spine. This cushioning fluid is produced by thechoroid plexustissue, which is located within the brain, and flows through a series of cavities (ventricles) out of the brain and down along the spinal cord. The cerebrospinal fluid is kept separate from thebloodsupply by theblood-brain ...
The Vampire Squid Doesn't Drink Blood and Isn't a Squid Jan. 3By Ada Tseng, Jesslyn Shields How Long Can a Person Safely Hang Upside Down? Dec. 6By Jesslyn Shields The Bearded Dragon Cuddles But Doesn't Breathe Fire The Coywolf Is Part Dog, Part Wolf, Part Coyote ...
Choose the statement below that correctly describes how carbohydrates are digested and absorbed or how blood sugar is regulated. 1.) Glucose is converted into fructose and galactose in the liver. 2.) Most digestion of carbohydrates takes place in the s ...
What is produced in the body in response to viral infection? (a) What are two different types of infection? (b) Describe their impacts on host cells. (a) What are the components of viruses? (b) How does each of these components a...
They said that when a person is angry, the brain gives off the same hormones (荷尔蒙) that are produced during tense situations. They speed the heartrate, raise blood pressure, or sugar into the blood and narrow the blood vessels to the interstices(空隙). In general, the person feels ...
Questions 1 to 4 are based on the conversation you have just heard. 1. A) He is a staff writer.B) He is an adventurer. C) He is an author of fiction. D) He is a father of four kids. 2. A) They are interested in fairy tales. B) They are curious and autonomous. C) They ...
If you aren’t sure what activities your body is naturally suited for, spend some time experimenting with ones you’d never imagine yourself to be interested in. Take a class in yoga or pottery. Attend an improvisational performance meeting. Just l...
When we eat such things as bread, meat, and vegetables, they are not in a form that the body can use as nourishment. Our food and drink must be changed into smaller molecules of nutrients before they can be absorbed into the blood and carried to cells throughout the body.Digestion is ...