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
Lemur [1.5K]
3 years ago
6

Ralph is looking at a blood vessel under a microscope as part of his study about the cardiovascular system. He notices that the

vessel contains blood and has valves. What is the blood vessel that he is observing?
Biology
2 answers:
coldgirl [10]3 years ago
8 0

Answer:

Veins

Explanation:

inn [45]3 years ago
3 0

Answer:

the person is correct its VEINS

Explanation:

You might be interested in
Biotin and protien do what for the hair
Leto [7]

It helps make the hair grow faster and gives it nutrients


7 0
4 years ago
What is not true about the process pictured
Maurinko [17]
There is no process pictured.....
5 0
3 years ago
Respiration occurs in the__________
BaLLatris [955]

Answer:

cells of the body

Explanation:

Respiration happens in the cells of plants, animals and humans, mainly inside mitochondria, which are located in a cell’s cytoplasm, energy released during respiration is used by plants to make amino acids, and by animals and humans to contract their muscles to let them move. Don't confuse respiration with breathing. Respiration releases energy, while breathing

7 0
3 years ago
Lamarck's idea of "Use and Disuse" proposed that
gregori [183]
The answer is, acquired traits are passed down from parent to offspring.



3 0
3 years ago
What happens during the S subphase of interphase?
RUDIKE [14]
The S interphase is when the DNA splits into two copies of itself
5 0
4 years ago
Other questions:
  • Which of the following apply to food webs? Select all that apply
    6·1 answer
  • What would be followed by secondary succession
    14·1 answer
  • Which chromosomal abnormality results from missing an entire chromosome?
    12·2 answers
  • The neurobiological approach explains human behavior by focusing on I. brain structures. II. cultural influences. III. neurotran
    11·1 answer
  • Create a food web by drawing arrows to show which organisms are eaten by others
    14·1 answer
  • What part of the body system have the harth
    7·1 answer
  • Which of the following is NOT a main reason myths were an important part of everyday life in ancient Greece? Group of answer cho
    11·2 answers
  • Choose the layers that are permeable and impermeable ?
    9·1 answer
  • Dónde se extrae el azúcar de la sangre?
    13·1 answer
  • By-products of photosynthesis are glucose and
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!