Q1 REVIEW

The nutrients obtained from the food during digestion are supplied to the body by the circulatory system. What does the circulatory system distribute to the body as it works with the respiratory system?

• carbon dioxide and oxygen

• carbon dioxide and nutrients

When we breathe in, we inhale many gases present in the air, including oxygen. What do you think happens to the gases that are not needed by the body?

• They are exhaled back out.       

• They are stored in the lungs.

How do the lungs and the heart work together? If the lungs supply oxygen through the blood that passes to the heart, distinguish the role of the heart listed below.

• deoxygenated blood towards the lungs for oxygenation

• oxygenated blood throughout the body and pumps back deoxygenated

How will you trace the pathway of oxygen in the breathing system? Where does it go?

• . bronchi, bronchioles, nose, nasal passages, trachea, alveoli

• nose, nasal passages, trachea, bronchi, bronchioles, alveoli

Christian is playing basketball. Why does Christian’s heart rate increase after playing basketball for an hour?

• to conserve energy

• less oxygen available   

X^CX^C

• colorblind female

• colorblind male

A,B,O blood type is

• codominance

• multiple alleles

red carnation (RR) crossed with white carnation (rr). what is the offspring?

• all red

• all pink

example of extinct animal in the Philippines

• stegodon

• eagle

Reactant or the ingredients of photosynthesis

• CO₂ and water

• water

• light energy

• CO₂