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Jet001 [13]
3 years ago
9

How does the body produce blood

Health
2 answers:
Hunter-Best [27]3 years ago
7 0
The body makes plasma and the cells float in it
denis23 [38]3 years ago
6 0
The bone marrow produces stem cells, the building blocks that the body uses to make the different blood cells such as red cells, white cells and platelets. The erythropoietin sends a message to the stem cells telling more of the mm to develop into red blood cells, rather than white cells or platelets.
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Which procedure involves “washing” to separate healthy sperm from the unhealthy ones, and then placing this concentration of hea
Grace [21]

Answer:

Sperm washing is the process in which individual sperms are separated from the semen. Washed sperm is used in artificial insemination using the intrauterine insemination (IUI) technique and in in vitro fertilization (IVF). It may also be used to decrease the risk of HIV transmission by an HIV-positive male, in which case the washed sperm is injected into a female using an artificial insemination technique.

Sperm washing involves removing any mucus and non-motile sperm in the semen to improve the chances of fertilization and to extract certain disease-carrying material in the semen. Sperm washing is a standard procedure in infertility treatment.

Explanation:

Sperm washing takes place in a laboratory following sperm donation.

Sperm may be washed by density gradient centrifugation or by a "direct swim-up" technique that does not involve centrifugation. In normal semen samples, centrifugation causes no more DNA damage to spermatozoa than a direct swim-up technique.[1]

Washed sperm is concentrated in Hams F10 media without L-glutamine, warmed to 37 °C (99 °F).[2] A chemical known as a cryoprotectant is added to the sperm to aid the freezing and thawing process.[3] Further chemicals may be added which separate the most active sperm in the sample, as well as extend or dilute the sample so that vials for a number of inseminations are produced.

8 0
3 years ago
Companies often target teens to sell personal improvement products<br><br> True or False?
julsineya [31]

Probably true since that seems to be what's happening

6 0
3 years ago
In 2009, traffic collisions killed __________ people in the United States.
Ira Lisetskai [31]
33,808 people were killed in all of the traffic collisions in 2009
let me know if you need anything else
:)
7 0
3 years ago
Read 2 more answers
Why did Sangappa feel sad?​
Romashka-Z-Leto [24]

Answer:

Sangappa was not spiritually stable due to health hardships

6 0
3 years ago
Self-assessment is a useful tool in devising an individual fitness plan? True or false
Mekhanik [1.2K]

Answer:

Self-assessment is a useful tool in devising an individual fitness plan is false

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2 years ago
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