Respiratory system is refers to as the organs which are involved in breathing such as nose, throat, larynx, trachea, bronchi, and lungs. It is also known as respiratory tract.
The circulatory system is refer to as which contains the heart and the blood vessels and blood moves throughout the body in vessels. This circulatory system helps tissues to get enough oxygen and nutrients, and it helps them get rid of waste products.
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What is breathing?</h3>
When person inhale (breathe in), air enters in the lungs, and oxygen from atmosphere moves to body blood. At the same time, carbon dioxide, a waste gas, moves from blood to the lungs and is exhaled (breathed out).
Breathing process is known as gas exchange which is is essential to life.
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<span>In real life, the presence of friction. Choice B</span>
Answer: Provides support for the blade of the leaves.
Explanation:
Vascular tissues are conducting tissues formed from specialized cells . The two conducting vascular tissues in plants are xylem and phloem.
Xylem tissue transport water and nutrients from plant roots to all part of the plants. Phloem transport sugars. It also provide structural support for plants. Vascular tissues run through the veins of the leaves and provide support. Vascular tissues are found in vascular plants.
Answer:
Explanation:
Below I have listed more than five, choose the ones that you think are better for your assignment!
Here they are:
- Wash hands and surfaces
- Clean refrigerators at least once a week
- Separate foods when shopping
- Separate foods when serving
- Rinse produce
- Making sure nothing else goes in the food such as hair, other ingredients, bugs, etc
Hope this helps!
Answer:
First case:
C -> 30% and T -> 20%
Second case:
C -> 15% and T -> 35%
Explanation:
First of all you should know that if it is DNA, it's formed by two strands. Also, in DNA, the amount of A is the same as the amount of T. And the amount of C is the same amount of G.
So, if you have 20% of A, you will also have 20% of T.
And if you have 30% of G you will have 30% of C
I hope it's useful and that you understand it!
PD: If there are any mistakes in grammar or spelling it's because my native is Spanish, not English.
