A typical blood circuit involves ______ trip(s) through the heart and takes about: Select one: a....
A typical blood circuit involves ______ trip(s) through the heart and takes about: Select one: a. 1; 1 minute b. 2; 1 minute c. 3; 1 minute d. 2; 2 minutes The SA (sinoatrial) node sets the tempo of the heart beat, and it is found in the: Select one: a. left ventricle b. left atria c. right ventricle d. right atria If Dad has blood type A and Mom has type O, what type of blood can their baby NOT have? Select one: a. A b. B c. O d. They could still have any of these! The small-scale arrangement of abiotic and biotic factors that determine the specific environment you live in is considered your: Select one: a. Environment b. Habitat c. Culture d. Background What is the scientific study of interactions between organisms and their environments? Select one: a. Environmentalism b. Biodiversity c. Entomology d. Ecology The sum of all ecosystems on the planet are considered the: Select one: a. Metabolism b. Environment c. Biosphere d. Community Which of the following chemicals does NOT limit photosynthesis rates? Select one: a. Nitrogen b. Phosphorus c. Carbon dioxide
Homework Answers
Answer:-
1.option "b"-2 trips,1 min.
Explanation:-it includes both systemic circulation and pulmonary circulation.
2.option "d"-right atria.
Explanation:-
SA node is autoexcitory nodal tissue.
3.Option "b"-B group.
Explanation:- due to absence of B group allele.
4.option "b"-habitat.
5.option "d"-ecology.
Explanation:- interaction between living and non living factors.
6.option "c"-biosphere.
Explanation:- all the ecosystems on the earth together.
7.Option "a"-nitrogen.
Explanation:- no role in photosynthesis.
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