A typical adult has a blood volume of approximately 5 liters.
B. specific to a substrate
The teacher
should discuss safety procedure with students at the beginning of the experiment
or laboratory assignment. The teacher
should give list of rules for students.
1.
Always wear safety goggles.
2.
Never
touch or rub eyes of face during science investigation.
3.
Keep lids on when not in use.
4.
Never use broken/chipped glassware.
Answer:
The testes are two oval-shaped male reproductive glands that produce sperm and the hormone testosterone.
B.the mass of carbon dioxide plus water is less than that of paper plus oxygen.
