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torisob [31]
3 years ago
14

On her way to school, Alice notices debris from road maintenance. What type of waste did Alice notice?

Biology
1 answer:
tiny-mole [99]3 years ago
4 0

Answer: B

Explanation:

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According to the oxygen-hemoglobin dissociation curve, PO2 in the lungs of 100 mm Hg results in Hb being 98% saturated. At high
tatiyna

Answer:

95%.

Explanation:

Oxygen-hemoglobin dissociation curve:

Oxygen-hemoglobin dissociation curve is basically a sigmoid curve which relates between the saturation of oxygen (SO2) and partial pressure of oxygen in blood (PO2). It shows the affinity of oxygen with hemoglobin at different temperature and other factors. In the oxygen-hemoglobin dissociation curve; saturated oxygen is ploted on verticle axis and partial pressure of oxygen in mmHg on the horizontal axis.

Here in the above scenario at the high altitude oxygen is less and at 80 mmHg, Hb would be 95% saturated.

8 0
2 years ago
Match each of the following characteristics with the correct connective tissue. Drag the terms on the left to the appropriate bl
adelina 88 [10]

Answer:

- Parallel arrangement of collagen fibers: Dense regular connective tissue (CT)

- Transports oxygen and hormones: Bood

- Contains chondrocytes: Cartilage

- Stores minerals: Bone

- Random arrangement of collagen fibers: Dense irregular connective tissue (CT)

- Cushions and insulates: Adipose tissue

Explanation:

The dense regular connective tissue (CT) is a type of connective tissue composed of collagen fibers arranged in a parallel pattern which provides a strong association between tissues (e.g., tendons and ligaments). Conversely, in dense irregular connective tissue, collagen fibers are not arranged in parallel bundles (e.g., the dermis in the skin and lamina propria in the gastrointestinal tract). Cartilage is a type of flexible connective tissue composed of chondrocytes, the unique type of cells in cartilage tissues. Chondrocytes are responsible to produce and maintain the collagen extracellular matrix (ECM) which is composed mainly of collagen and proteoglycans (proteins coated with sugar molecules). Bone is a type of connective tissue composed of cells (i.e., osteoblasts, bone lining cells, osteocytes, and osteoclasts), fibers and ground substance. Bones have many functions including, among others, store minerals (calcium and phosphate), protect internal organs, allow movement, provide internal support, etc. Blood is a type of connective tissue (because blood has a matrix) whose main function is to transport oxygen (O2) and essential substances (e.g., nutrients, hormones, etc) to the tissues, and carbon dioxide (CO2) from the tissues to the lungs. Blood contains two different types of cells: red blood cells (i.e., erythrocytes) and white blood cells (i.e., leukocytes). Finally, adipose tissue is a special type of connective tissue in the subcutaneous layer that helps to cushion and insulate the body (providing insulation from heat and cold). Adipose tissue is composed mostly of adipocytes, which are cells that store energy in the form of lipid molecules.

6 0
3 years ago
Hand sanitizer. what is it made up of
kap26 [50]

Answer:

it is made of ethyl alcohol and apparently it kills 99.99 percent of germs

its active active ingredient is ethanol

hope this helps have a good day :)

5 0
3 years ago
Read 2 more answers
The father of a 5-year-old child reports that he uses a series of local urgent care centers for routine care. what is the greate
tekilochka [14]

The answer is: It is difficult to have continuity of care with these practices.

Urgent care facilities is more specialized for treating condition that was dangerous in short term while routine care more focused on long term condition. The examination in urgent care should be concise and fast, while routine care would be more comprehensive,  Routine care also let more coordination than urgent care.

5 0
3 years ago
What elements are in common between nucleic acids and proteins? *
Wewaii [24]

Answer:

C. Carbon, nitrogen

Explanation:

Nucleic acids contain C, H, O, N, and P. Amino acids contain C, H, O, and N (no phosphorous).

5 0
3 years ago
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