Answer:
stethoscope is the instrument used to measure heart beat

Correct choice is " Eating Carbohydrates "
Animals and other organisms access Glucose for cellular respiration, by eating <u>Carbohydrates</u> .
Humans can will themselves to eat more, as we know that food comes easy to us.
Animals, on the other hand, top priority is survival, so they usually wouldn't think about eating more because it just "tastes good."
One parents would have a Homozygous trait BB for blue eyes in order for the blue eyes to be shown in an offspring.
One parents could have either heterozygous (Gb) or homozygous (GG) traits for the green eye trait to appear since it is a dominant trait.
Answer:
O2 participates in cellular respiration
Explanation:
The only place that O2 participates in cellular respiration is at the end of the electron transport chain, as the final electron acceptor. Oxygen's high affinity for electrons ensures its success in this role.