Biology help with this please?I could really use some help!
1. Red blood cells ________________. (Points: 10)
transport respiratory gases
combat bacterial infection
are called leukocytes
help blood to clot
2. In the human respiratory system actual exchange of oxygen and carbon dioxide molecules occurs in _________________. (Points: 10)
the bronchioles
the trachea
the alveoli
the larynx
3. When stomach fluids irritate the lower esophagus the common digestive ailment that results is called ________________. (Points: 10)
peptic ulcer
hypertension
iron-deficiency anemia
acid reflux
4. Most of the absorption of nutrients from the food we eat occurs in the ____________. (Points: 10)
small intestine
stomach
large intestine
esophagus
5. Defending the body against bacterial infection and assault by other foreign substances is the function of _____________. (Points: 10)
platelets
plasma
erythrocytes
white blood cells
6. A respiratory disease caused by destruction of alveoli and the formation of scar tissue is called _____________. (Points: 10)
asthma
emphysema
bronchitis
lung cancer
7. The large intestine ______________. (Points: 10)
absorbs water and salts from digested food
absorbs amino acids and glucose from digested food
begins the digestion of proteins
secretes fluids that neutralize stomach acids
8. What is the function of macrophages? (Points: 10)
They carry oxygen on molecules called hemoglobin.
They digest bacteria and other foreign material in lung tissue.
They secrete digestive juice into the duodenum.
They synthesize vitamin K in the large intestine.
9. Vessels that carry blood away from the heart are called _________. (Points: 10)
venules
arteries
capillaries
veins
10. The right side of the heart is composed of two chambers that _____________. (Points: 10)
pump oxygen-rich blood to the body
are separated from each other by the bicuspid valve
are part of the pulmonary circuit
pump oxygen-rich blood to the lungs
Posted by Karly
5. white blood cells
8. I think is B (digests bacteria..etc.)
9. arteries
Posted by austin m
1-A
2-C
3-D
4-A
5-D
6-B
7-A
8-B
9-B
10-C
Posted by converse
is this a test? you wouldn't learn if you ask all the questions and just instantly get answers without sweat. You're on the Internet, research it.
Posted by BeautifulSin_
1. transport respiratory gases
2. the alveoli
3. idk.
4. small intestine
5. white blood cells
6. idk.
7. absorbs water and salts from digested food
8. idk.
9. arteries
10. are part of the pulmonary circuit
Orignal From: Biology help with this please?
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