1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Soloha48 [4]
3 years ago
13

How can a person donate blood and never run out of it?

Biology
2 answers:
Elanso [62]3 years ago
5 0
The marrow in certain bones in your body create red blood cells, so eventually you get your blood back. The reason we need to give blood is for people, who lost to much blood to quickly to regenerate it in time to supply their body with oxygen.
igor_vitrenko [27]3 years ago
3 0
Because they don't go all the time and get all there blood sucked out of them just being honest lol
You might be interested in
Salt marshes are found
aev [14]

Answer:

Salt marshes occur throughout the world, particularly in middle to high latitudes. They thrive along protected shorelines, and they are a common habitat in estuaries. In the U.S., salt marshes can be found on every coast. Approximately half of the nation's salt marshes are located along the Gulf Coast.

6 0
3 years ago
Read 2 more answers
More than one million years ago, a single species of finch migrated to the Galapagos from the mainland of Central or South Ameri
nirvana33 [79]

Answer:

Specialist

Explanation:

We could also refer to these finches as specialists. They are niche-specific; that is, they survive under narrow, unique circumstances. I got it wrong when i did it on usatestprep, Specialist was right.

3 0
4 years ago
How does crossing over add to the genetic diversity of sexually reproducing organisms?
Alex
<span>It involves random segregation of the homologous chromosomes to each daughter cell.

hope this helps :3</span>
7 0
3 years ago
1. Which of the following is an example of a scientific theory?
bazaltina [42]
The answer is for your question is c
5 0
3 years ago
Hypothalmus hannels information from sensory nerves to the endocrine system via the ________ gland.
11Alexandr11 [23.1K]
I would imagine it is the pituitary gland
6 0
3 years ago
Other questions:
  • Channel proteins that form a narrow passageway in gap junctions are known as which of the following
    9·2 answers
  • a fruit fly of genotype Aa Bb is crossed to anotehr fruit fly of genotype aa bb. the progeny of this cross were
    5·1 answer
  • _____ helps regulate water and electrolyte balance.
    9·1 answer
  • I need help asap it is past due pls give the definition of the following
    14·2 answers
  • In figure 3-1 what process or processes would be occurring in the part of the rock cycle labeled “E”
    14·1 answer
  • Which list of minerals is grouped based on color?
    13·2 answers
  • How are natural selection and microevolution illustrated in this scenario?
    9·1 answer
  • What is abrasion weathering
    12·1 answer
  • I have no idea how to do this
    9·2 answers
  • The promoter region is the portion of dna to which rna polymerase binds at the start of transcription.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!