What is the proportion of muscles, bones, water, and fat called in your body?

Question 8 options:

endurance

composition

strength

flexibility

The proportion of muscles, bones, water, and fat in the body is referred to as composition.

Jacob measures his heart rate when he first wakes up in the morning. What heart rate is he finding?

Question 9 options:

resistant

inactive

resting

lax

Jacob is finding his resting heart rate when he measures it first thing in the morning.

Einar is doing jumping jacks. As he does this, what is Einar's body LEAST likely to do?

Question 10 options:

Make lactic acid.

Build muscle endurance.

Switch to aerobic activity.

Create a burning feeling.

Einar's body is least likely to create a burning feeling while doing jumping jacks.

Dave lifts weights on a regular basis. What is the BEST term for what Dave is trying to improve?

Question 11 options:

composition

flexibility

strength

shape

The BEST term for what Dave is trying to improve by lifting weights on a regular basis is strength.

uring anaerobic activity, your body makes a natural chemical that is like emergency energy for your muscles. What is the name for this chemical?

Question 12 options:

amino acid

vitamin C

lactic acid

oxygen

The name for the chemical produced during anaerobic activity that serves as emergency energy for muscles is lactic acid.

Sophia failed to warm up before her sprinting contest. She pushed herself hard and fast and felt a burn in her chest and muscles. What is her body MOST likely missing?

Question 13 options:

energy

oxygen

natural chemicals

triglycerides

Sophia's body is most likely missing oxygen during her sprinting contest, which is causing the burning sensation in her chest and muscles.

Finn is a track athlete at his middle school. Finn's resting heart rate is MOST likely near what number?

Question 14 options:

40

60

80

100

The resting heart rate for Finn, a track athlete at his middle school, is most likely near 60.

Chun sprints the 100-meter dash and at the end his muscles are burning. Chun's sprint is what type of exercise?

Question 15 options:

anaerobic

short-term

aerobic

flexibility

Chun's sprint of the 100-meter dash is considered anaerobic exercise because it is intense and of short duration, leading to the burning sensation in his muscles.