This topic contains a solution. Click here to go to the answer

Author Question: What is the lifespan of a red blood cell? a. 120 days b. 100 days c. 75 days d. 45 days e. 12 ... (Read 216 times)

karen

  • Hero Member
  • *****
  • Posts: 537
What is the lifespan of a red blood cell?
 a. 120 days
  b. 100 days
  c. 75 days
 d. 45 days
 e. 12 days

Question 2

In the buffering system, CO2 + H2O H2CO3 H+ + HCO3-, which component acts as the acid?
 a. CO2
  b. H+
  c. HCO3-
  d. H2CO3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vish98

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

a

Answer to Question 2

a





 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library