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
padilas [110]
3 years ago
14

All arteries carry oxygen-rich blood, whereas veins carry oxygen-poor blood. all arteries carry oxygen-rich blood, whereas veins

carry oxygen-poor blood.
a. True
b. False
Biology
2 answers:
Olin [163]3 years ago
6 0
All veins carry oxygen poor blood ...it is false
ycow [4]3 years ago
5 0
A.true
It's because all arteries carry oxygenated blood from heart to the tissue,except for arteries pulmonary which carry deoxygenated
Blood.
All veins carry deoxygenated blood from the tissues to the heart except for pulmonary veins which carry oxygenated blood to the heart.
You might be interested in
What occurs to a DNA strand during DNA replication?
Murrr4er [49]

Answer:

It is copied.

Explanation:

Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.

7 0
3 years ago
Read 2 more answers
How do scientists compare different animal structures
laiz [17]
Comparative anatomy is the study of the similarities and differences in the structures of different species. ... Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants.
7 0
3 years ago
What is a proposed explanation that can be tested
RideAnS [48]
The answer u r looking for is-Hypothesis. Hope I’ve helped ;)
8 0
3 years ago
Read 2 more answers
____ first investigated the neural components regulating the brain's sleep-wake mechanisms in 1949
coldgirl [10]
The answer is Walter Hess

Hess manipulated the diancephalon of the brain of cats by inserting metal rods in the hypothalamus regions of the brain, where the diencephalon is located, and passing electrical current through the rods to the brain region. He noticed that the cats, among other complex behavioral changes, would curl up and sleep. 
8 0
3 years ago
What happens to rna polymerase ii after it has completed transcription of a gene?
IrinaK [193]
It is free to bind to another promoter and begin transcription.
3 0
4 years ago
Other questions:
  • Arrange the events of the earliest stellar formation in sequential order.
    13·2 answers
  • When a person experiences an earthquake near its epicenter, which wave will they most likely feel first?
    13·1 answer
  • Are there programs and research currently in place to save the endangered polar bear population?
    15·1 answer
  • How does burning natural gas influence the carbon cycle?
    15·1 answer
  • The euglena's red eyespot is used for _____. detection of danger detection of light photosynthesis binary fission
    9·1 answer
  • What is the energy source for almost all life on earth
    8·2 answers
  • I will give you brainliest
    11·2 answers
  • The purpose of an experiment is to compare results with a(n) _____.
    15·2 answers
  • 1) List 4 examples of an abiotic factor that could occur in an organism's niche
    8·1 answer
  • What is the probability of a couple having 5 daughters in a row? please help
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!