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cestrela7 [59]
3 years ago
14

4. What is an example of a secondary sex characteristic?

Health
1 answer:
drek231 [11]3 years ago
4 0

The answer would be pubic hair. Because, secondary sexual characteristics.

Visible secondary sex characteristics are nonreporductive sexual characteristics.

For males things that will start to show are pubic hair, facial hair, and Adam's apple.

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What term refers to the duration for which any food remains safe for consumption?
ELEN [110]
In order for perishable food to be safe for consumption, it has to reach a USDA-recommended minimum safe internal temperature. The food also has to be held at the specified temperature for a minimum of 15 seconds to kill the bacteria.

Food

Safe Internal Temperature:

Steak and Roast 145°F

Fish 145°F

Pork 160°F

Ground Beef 160°F

Egg Dishes 160°F

Chicken Breasts 165°F

Whole Poultry 165°F

Casseroles/Mixed Dishes 165°F


The reason for the different food safety temperatures has to do with food density, size and how much it is handled before it is cooked. For example, steak can be cooked to a lower temperature than ground beef because the inner layers of the beef are never touched. Since the outer and inner layers of ground beef are mixed together, a higher temperature is needed to assure that all of the bacteria is dead.
3 0
3 years ago
Rico, a scuba diver, uses breathing gear to help him breathe air underwater. He always gets enough sleep and eats a good breakfa
AnnyKZ [126]

Answer:

he would have to take his time ascending up to the surface so be doesnt get the bends which is nitrogen in ur blood. if not he will die lol

4 0
3 years ago
1) TARGET HEART RATE
Veseljchak [2.6K]

Answer:

A 17 year old with a resting heart rate of 62 bpm has a maximum hearth rate of 203 bpm, a hearth rate reserve of 141 bpm and target hearth rate between 161 and 182 bpm

Explanation:

Target heart rate is a measure used to calculate the range of heart rate that should be maintained during intense exercise.

Knowing a person's age and resting heart rate (RHR), a target heart rate calculation can be made from the maximum heart rate (MHR) and the hearth rate reserve (HRR)

Data:

- Age: 17 years old

- RHR: 68 bpm

The maximum heart rate is calculated by subtracting age from a constant value of 220, so:

  • MHR = 220 - age
  • MHR = 220 - 17  
  • MHR = 203 bpm

HRR is calculated by subtracting the resting heart rate (RHR) from the MHR value:

  • HRR = MHR - RHR
  • HRR = 203 - 62
  • HRR = 141 bpm

THR is obtained by multiplying the HRR by 0.7 and 0.85, to obtain the range of heart rate in which the exercise can be performed.

  1. THR lower limit = (HRR x 0.7) + RHR                                                   Lower THR = (141 x 0.7) + 62 = 160.7 ≈ 161 bpm
  2. THR top limit = (HRR x 0.85) + RHR                                                         THR top = (141 x 0.85) + 62 =  181,85 ≈ 182 bpm

For the 17-year-old, the ideal target heart rate for an intense exercise is between the values of  161 and 182 bpm.

6 0
3 years ago
A newspaper story in Knight Ridder Newspapers described an experiment in an article with the headline “Doctor Dogs Diagnose Canc
Aleksandr [31]

Answer: Double blind clinical trial

Explanation:

The situation that is seen here is double blind clinical trail in which neither the participant nor the practitioner knows who is receiving the treatment.

This is used to prevent biasing in the experiment which is caused due to demand characteristics or placebo effect.

Here, in this situation the dog handlers and the experimental observer both were blinded to identify the breath sample.

8 0
3 years ago
Read 2 more answers
During upper-body exercise routines, the resistance should be heavy enough to fatigue the target muscles being exercised within
Phantasy [73]
The answer is D (8 to 12)

While doing upper-body exercise routine, fatigue of target muscles can be safely achieved within<span> the short time-frame of about 1.5 minutes (the time-frame for anaerobic pathways) by simply performing 8 to 12 </span>repetitions<span> at a moderate movement speed.</span>
7 0
3 years ago
Read 2 more answers
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