Biology, 10.02.2021 02:40 rndbwls5760
How are carbon dioxide and oxygen exchanged in the lungs?
A. Large blood vessels constrict and enlarge near the the lung tissue so gases can be exchanged.
B. Carbon dioxide and oxygen are exchanged in the aorta.
C. Small blood vessels pass next to the air sacs of the lung, gases are exchanged across a thin membrane.
D. The walls of the arteries thicken, harden, and lose their elasticity so that oxygen can pass through them.
Answers: 1
Biology, 22.06.2019 05:30
βin 1492 columbus sailed the ocean blueβ is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory
Answers: 3
Biology, 22.06.2019 06:30
Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?
Answers: 2
Biology, 22.06.2019 09:30
What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent
Answers: 2
Biology, 22.06.2019 10:30
In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.
Answers: 1
How are carbon dioxide and oxygen exchanged in the lungs?
A. Large blood vessels constrict and enla...
Mathematics, 17.04.2020 22:40
Mathematics, 17.04.2020 22:41
Mathematics, 17.04.2020 22:41
Physics, 17.04.2020 22:41
Biology, 17.04.2020 22:41
Mathematics, 17.04.2020 22:41
Mathematics, 17.04.2020 22:41
Chemistry, 17.04.2020 22:41