They are the smallest tubes in the respiratory system.
B.
They have a small amount of surface area.
C.
They are found on the end of bronchioles.
D.
They are comprised of millions of cells
Alveoli are found on the end of bronchioles which is option C.
Alveoli are small air sacs found within the lungs that resemble a cluster of grapes. These are also known as pulmonary alveoli. They primarily stimulate gas exchange.
Thus, we can conclude that option C is correct.
You can learn more about alveoli here:
#SPJ2
it is a full body yoga. it activates you whole body. it is good for you health
Answer:
Surya Namaskar, also known as 'The Ultimate Asana', strengthens your back as well as your muscles and brings down blood sugar levels. It also improves metabolism and blood circulation (hence, a glowing skin) and ensures regular menstrual cycle for women.
Tones muscles and improves flexibility
All the asanas carried out in Surya Namaskar focus on different muscle groups and nerve centers called Chakras. This helps you tone almost all your body parts including arms, abs, thighs, and butt. It also gives you more flexibility and improves your body posture.
Great cardio training and hormonal balance
Surya Namaskar gives your body a quick and nice workout. If done in a fast manner, it acts as a cardio workout for your abs, thighs, and butt. Improved blood circulation results in low cholesterol levels and improved heart health. Another benefit of proper blood circulation is a good hormonal balance. Keep in mind that blood is the carrier of our hormones, so, if it is working properly, they’ll reach all your organs without a problem.
Improves digestion and promotes weight loss
Proper exercise and proper rest along with a balanced diet result in improved insulin sensitivity. Sun salutations stimulate the digestive tract by producing the right kind of digestive juices. Thus, you improve your metabolism, which helps you get rid of all toxins and burn all the extra calories.
Increases energy and awareness levels
Along with asanas, the breathing pattern is also an important aspect of Surya Namaskar. This gives deep conscious relaxation to the body and mind. It helps to relax the mind and sharpen the senses. It increases your self-awareness, which increases your energy levels.
Enables Better Absorption of Nutrients
Proper blood circulation and digestion enables better absorption of nutrients, which in turn improves your overall health. Nutrient absorption helps to carry out vital functions in the body. In today's world, unhealthy lifestyles have led to many disorders like thyroid dysfunction, PCOD, PCOS, obesity, etc. Surya Namaskar can be part of a healthy routine which is proven to keep such diseases at bay.
Reduces moods swings and brings more emotional stability
Deep breathing techniques with specific asanas provide great relaxation to the nerve cells or chakras. It can positively impact brain functioning. Specifically, it helps you balance between the right and left sides of the brain. This brings you more emotional stability and increases your creativity and mental capacity.
Improves Your Skin’s Glow
A nice-glowing skin is a result of good blood circulation, good digestion, relaxation and good sleep. You get all of this with sun salutations!
Answer: Add an extra day of walking each week (option c)
Explanation:
The FITT program stands for frequency, intensity, time and type. Frequency is how often or how many times you exercise per week. Intensity is how hard you exercise. Time is the amount of time that you spend exercising and type is simply the type of exercise that you choose to perform. So, if Trey’s family wants to improve they should increase the frequency according to the FITT cycle .
B high
C the same
A. low because you can pass out when its low