The answer is tighten and contract.
In order for the students to pull the rope their muscles will need to tighten and contract so they are able to continuously pull with all their strength and power. Relaxed or twitched muscles will result in release of the rope.
Answer:
it is also called the Musculoskeletal system
Explanation:
A patient who suffers from asthma and has developed reddened and blistered skin, this condition would be known as eczema.
Because alcohol has huge negative impact on the driving, (it slows a person's motor skills and ability to react quickly), alcohol while driving is strictly forbidden. Driving with an open container of alcohol in the car is against the law.
Drivers under 21 may not carry unopened containers of liquor, beer, or wine in a vehicle unless they are placed in the trunk.
Answer:
blood pressure levels
normal systolic: less than 120 mm Hg diastolic: less than 80 mm Hg
at risk (prehypertension) systolic: 120–139 mm Hg diastolic: 80–89 mm Hg
high blood pressure (hypertension) systolic: 140 mm Hg or higher diastolic: 90 mm Hg or higher
hope it helps <3
