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Blizzard [7]
3 years ago
14

Help me please!!!!!!!

Biology
1 answer:
kirza4 [7]3 years ago
4 0

Answer:

D and D i think both are D not 100 percent sure though.

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In the ED, blood is withdrawn from the vein and into a test tube. The packed cell volume (RBCs) is 1.45 ml, and the plasma volum
Yuri [45]

Answer:

<h2>1.45 + 3.55 = 5.0 (total blood volume);  1.45/5.0 × 100 = 29% (low),</h2>

Explanation:

HCT is calculated as:

HCT = Volume of red blood cells / (Volume of red blood cells + volume of plasma) x 100  

1.45 + 3.55 = 5.0 (total blood volume);  1.45/5.0 × 100 = 29% (low), normal range for an adult female HCT  ranges from 38 to 46% (some sources claim 34.9-44.5%).

*for calculating this, one must know two of these three values: packed cell volume, total blood volume, plasma volume.

Total blood volume = Packed cell volume + plasma volume.

4 0
3 years ago
Throughout human history, major migrations have been spurred by sharp decreases in the availability of food caused by hazards or
oee [108]

Answer:

Dust bowl

Irish Potato famine

Explanation:

4 0
3 years ago
A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have? (3 points)
LenaWriter [7]
I think the answer is 5! Neutrons + Electrons=9 so 4+5=9. I hope this helps!
7 0
3 years ago
Stegosaurus' skull suggest that its diet consisted of relatively soft plants or relatively tough woody vegetation?
Vilka [71]

The shape of the Stegosaurus cranium allowed for extra jaw muscle mass than the alternative herbivores. This intended an extra green conversion of muscle energy into the pressure of the chew. The research indicates that Stegosaurus might be capable of foraging on huge sorts of flowers, which include ferns and cycads.

Stegosaurus ate gastroliths. Small stones that ground its favorite greens up in its belly. it's far believed to have eaten vegetation together with mosses, ferns, horsetails, cycads, and conifers or culmination.

The stegosaurus turned into such a cool dinosaur. It had neat plates and spikes covering its tail, again, and neck that made it appear very exclusive. however, it was additionally a plant-consuming device! It had a toothless beak for nipping low-mendacity vegetation like ferns, cycads, and pines.

The small blunt teeth show that Stegosaurus become an herbivore. It had a huge intestine to break down the plants it ate. Stegosaurus became maximum probably prey for the likes of Allosaurus, Torvosaurus, and perhaps even smaller meat eaters.

Learn more about dinosaurs here: brainly.com/question/12916757

#SPJ4

5 0
2 years ago
Bleeding disorders can result from the lack of
Paha777 [63]

Answer:

Bleeding disorders can result from the lack of vitamin K

Explanation:

Vitamin K is a fat-soluble vitamin critical for proper blood clotting. Deficiency is associated with easy bleeding. Besides its role in blood coagulation, vitamin K is also important for healthy bones. Symptoms of deficiency include:   Nose bleeds  Easy bruising, Bleeding gums,  Heavy menstrual bleeding , and Blood in the urine.

8 0
3 years ago
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