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allsm [11]
3 years ago
9

Cross-sectional views of an artery and of a vein are shown here. identify each on the lines

Biology
1 answer:
murzikaleks [220]3 years ago
8 0
I believe, for the artery, they have, an open, circular lumen an a thick media
Veins on the other hand, have somewhat collapsed lumen and a thinner media. Arteries are blood vessels that carry blood out of the heart to other parts of the body, all arteries carry oxygenated blood except the pulmonary artery which carries deoxygenated blood from the heart to the lungs. Veins carry blood from other body parts to the heart, all veins carry deoxygenated blood except the pulmonary vein which caries oxygenated blood from the lungs to the heart.
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Select all that describe features of prokaryotes.
lys-0071 [83]

Answer:

all of them except the organelles as they don't have organelles

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Explanation:

5 0
3 years ago
position vs time for two cars which statements best describe the motion of car a and car b check all that apply
jekas [21]

Answer:

Option 1, 2, 5

Explanation:

Options for the question

  1. car a and car b are both moving toward the origin.
  2. car a and car b are moving in opposite directions.
  3. car a is moving faster than car b.
  4. car a and car b started at the same location.
  5. car a and car b pass each other at the crossover  point on the graph.  time (s)

Solution -

The motion of any object is represented by  position-time In such graphs the position of an object is fixed for any starting point on the y-axis and time on the x-axis.

The slope of such curves determine the velocity of the object at all its position within the graph. The steeper the slope is, the faster the the object is moving.

Hence, the following statements are correct

Option 1, 2, 5

3 0
3 years ago
WILL GIVE BRAINLIEST, 50 POINTS!!!
statuscvo [17]

Answer:

B

Explanation:

The Earth is tilted 23.5 degrees on its vertical axis. During the northern hemisphere's spring and summer, the northern hemisphere is tilted towards the Sun.

6 0
2 years ago
I need to know what a mutation is and how it can affect living things.
anyanavicka [17]

Answer:

A Mutation is when a DNA gene is damaged or changed in  a way that changes the genetic message carried by that gene.

Explanation:Mutations are sometimes good and sometimes bad it can also cause genetic variation which increases the survival of a species

3 0
3 years ago
The table below shows the depths at which an index fossil and three other fossils were found. Which statement is correct?
Harrizon [31]
I believe the answer is B
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