Which is the pathway of oxygen to the lungs

2 answers:

5 0

The air goes through your trachea (windpipe) which is then divided by bronchial tubes into pathways to your left and right lungs.

RideAnS [48]2 years ago

4 0

Answer:

Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)

Explanation:

You might be interested in

What are not properties of enzymes<br>

gayaneshka [121]

Answer:

A catalyst

Explanation:

Enzymes are not a catlysy

8 0

2 years ago

What is mRNA used in?

Andrew [12]

MRNA is a single-stranded molecule that carries genetic code from DNA in a cell's nucleus to ribosomes, the cell's protein-making machinery.

3 0

2 years ago

A purebred tall pea plant is cross-pollinated with a tall, heterozygous pea plant. Use a Punnett square to determine the probabi

Ray Of Light [21]

Answer:

Explanation:

This question involves a gene coding for height in pea plants. The allele for tallness (T) is dominant over the allele for shortness (t). This means that allele T will be expressed over allele t in an heterozygous state.

A purebred tall plant will possess genotype: TT while a heterozygous tall plant will possess genotype: Tt. The two parents will produce the following gametes:

TT- T and T

Tt- T and t

Using these gametes in a punnet square (see attached image), the following offsprings with genotypes: TT and Tt in a ratio 1:1 will be produced.

TT offsprings are purebreed tall while Tt offsprings are heterozygous tall. Hence, based on the question, no offsprings of this cross will possess the recessive genotype (tt). This means that 0% of the offsprings of this cross will be short.