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kirill [66]
3 years ago
9

In this activity, you will follow oxygen on its path from the lungs to the body tissues.to review how oxygen is transported in t

he body, watch this bioflix animation
Biology
1 answer:
Karolina [17]3 years ago
5 0
<span>1. Breathing moves air in and out of the lungs. 2. Oxygen diffuses from alveoli in the lungs into capillaries. 3. Oxygen enters red blood cells, where it binds to the protein hemoglobin. 4. Oxygen diffuses from the blood to the body's tissues, and carbon dioxide diffuses from the tissues to the blood. 5. Carbon dioxide leaves the body when exhale.</span>
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Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?
Vedmedyk [2.9K]

Answer:

The correct answer would be bones.

X-rays are high energy electromagnetic waves which have an ability to penetrate most of the biological tissues.

In the X-ray machine, a beam of high energy X-rays is passed through the filters and subject and then fall on the detector or photographic film to produce X-ray.

Dense tissues like bone, teeth, tumors et cetera blocks or stops most of the X-ray particles from reaching the detector or photographic film.

It forms glowing pictures on the X-ray film or photographic film.

The denser the material the brighter the image will be formed on the photographic film.

7 0
3 years ago
Read 2 more answers
Helper t cells interact with target cells by recognizing __________.
cupoosta [38]

Answer:

antigen-MHC protein complexes

Explanation:

Helper T-cells recognise antigens that are complexed with MHC proteins and interact with target cells. Antibodies can be produced against a single antigen in a variety of ways. Toxic shock syndrome is a relatively mild condition that resembles other minor allergy responses. Antigen-presenting cells break down superantigens.

(Hope this helps can i pls have brainlist (crown)☺️)

8 0
2 years ago
Prior to mitosis and after s phase, each chromosome of a eukaryotic cell consists of a pair of identical structures called
dexar [7]
Hello!

I believe the correct answer to your question would be sister chromatids.

Hope this helps, and have a lovely rest of your day :)
3 0
3 years ago
Please Help Me ASAP!!
Zigmanuir [339]

Answer:

Evidence of metamorphism can be indicated by <u>flat, horizontal</u> layers within the rock.

Explanation:

Metamorphic rocks refer to rocks that are modified with heat or pressure, which change their physical and chemical properties. The main reason behind this modification is the rearrangement of the mineral crystals, which occurs due to their response to the previously-mentioned properties of heat and pressure.

There could be different types of evidence of metamorphism. However, the main evidence can be indicated by the presence of <u>flat, horizontal</u> layers within the rock, also known as foliation, a process that occurs when the pressure squeezes the minerals, leading to a flat, horizontal layer. Then, scientists could analyze the composition of these layers to identify minerals or even fossils within it.

6 0
3 years ago
Three reasons why do you think women in today's society could be more obese than men in South Africa​
bezimeni [28]

Answer:

Three Reasons

Explanation:

1, due to the genome. By birth, there is a biologically higher percentage of body fat in women.

2, unemployment. As normally in a South African household, it is the man that goes out to work while the women stay at home. loss of mobility means the accumulation of fats.

3, Males' major sex hormone is testosterone, and females have high levels of estrogen and progesterone in their blood. Females build up fat more easily than males.

8 0
1 year ago
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