Answer the following questions:

Biology

1 answer:

Naddik [55]3 years ago

4 0

Answer:

1. The respiratory system allows us to breathe . They bring oxygen into our body and remove carbon dioxide from the body .

2. Tiny hairs called cilia protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air.

3. The throat (pharynx and larynx) is a ring-like muscular tube that acts as the passageway for air, food and liquid. It is located behind the nose and mouth and connects the mouth (oral cavity) and nose to the breathing passages (trachea [windpipe] and lungs) and the esophagus (eating tube).

4. The main function of the epiglottis is to seal off the windpipe during eating, so that food is not accidentally inhaled.

5. The heart pumps blood to the lungs for oxygenation and the lungs then give the heart back oxygen rich blood to be transmitted to the whole body

Explanation:

plss mark brainliest

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Arrange the events to describe how a volcano forms and erupts.The plates move constantly.

VikaD [51]

Earth's crust is made up of huge slabs called plates. The plates move constantly. At times, the plates move away from each other, creating gaps. Earth's surfaces finds it's way out of the gaps. Magma comes out of Earth, creating a heap of lava, ash, and rocks. The heaps grows bigger and bigger as the volcano erupts and, creating q huge mound. The mound cools down over thousands over years to form a mountain.

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A plant that is heterozygous for all three traits is crossed with a plant that is short, is heterozygous for seed shape, and is

nikitadnepr [17]

Answer:

1:2:1

Explanation:

If we cross heterozygous for all three trait with a plant that is homozygous with the greenpods. so:

See attachment:

Conclusion:

The Heterozygous for all three traits will be : 50%

heterozygous for short seed shape: 50%