(Q).
Q: In the cardiovascular system, where is the ultimate destination of the oxygen-poor blood? Choices: - brain - liver - lung - heart A:
(A).
heart

(Q).
Q: What is the male gamete called in humans? Choices: - dna - egg - testes - sperm A:
(A).
sperm

(Q).
Q: In general, objects expand in all directions as temperature does what? Choices: - stays the same - cycles - decreases - increases A:
(A).
increases